[PATCH 3.16 054/306] powerpc/nvram: Fix an incorrect partition merge

2017-02-15 Thread Ben Hutchings
3.16.40-rc1 review patch.  If anyone has any objections, please let me know.

--

From: Pan Xinhui 

commit 11b7e154b132232535befe51c55db048069c8461 upstream.

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .

Fixes: fa2b4e54d41f ("powerpc/nvram: Improve partition removal")
Signed-off-by: Pan Xinhui 
Signed-off-by: Michael Ellerman 
Signed-off-by: Ben Hutchings 
---
 arch/powerpc/kernel/nvram_64.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -292,7 +292,7 @@ int __init nvram_remove_partition(const
 
/* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
-   strncpy(part->header.name, "", 12);
+   memset(part->header.name, 'w', 12);
part->header.checksum = nvram_checksum(>header);
rc = nvram_write_header(part);
if (rc <= 0) {
@@ -310,8 +310,8 @@ int __init nvram_remove_partition(const
}
if (prev) {
prev->header.length += part->header.length;
-   prev->header.checksum = nvram_checksum(>header);
-   rc = nvram_write_header(part);
+   prev->header.checksum = nvram_checksum(>header);
+   rc = nvram_write_header(prev);
if (rc <= 0) {
printk(KERN_ERR "nvram_remove_partition: 
nvram_write failed (%d)\n", rc);
return rc;



[PATCH 3.16 054/306] powerpc/nvram: Fix an incorrect partition merge

2017-02-15 Thread Ben Hutchings
3.16.40-rc1 review patch.  If anyone has any objections, please let me know.

--

From: Pan Xinhui 

commit 11b7e154b132232535befe51c55db048069c8461 upstream.

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .

Fixes: fa2b4e54d41f ("powerpc/nvram: Improve partition removal")
Signed-off-by: Pan Xinhui 
Signed-off-by: Michael Ellerman 
Signed-off-by: Ben Hutchings 
---
 arch/powerpc/kernel/nvram_64.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -292,7 +292,7 @@ int __init nvram_remove_partition(const
 
/* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
-   strncpy(part->header.name, "", 12);
+   memset(part->header.name, 'w', 12);
part->header.checksum = nvram_checksum(>header);
rc = nvram_write_header(part);
if (rc <= 0) {
@@ -310,8 +310,8 @@ int __init nvram_remove_partition(const
}
if (prev) {
prev->header.length += part->header.length;
-   prev->header.checksum = nvram_checksum(>header);
-   rc = nvram_write_header(part);
+   prev->header.checksum = nvram_checksum(>header);
+   rc = nvram_write_header(prev);
if (rc <= 0) {
printk(KERN_ERR "nvram_remove_partition: 
nvram_write failed (%d)\n", rc);
return rc;



[PATCH 3.2 023/126] powerpc/nvram: Fix an incorrect partition merge

2017-02-15 Thread Ben Hutchings
3.2.85-rc1 review patch.  If anyone has any objections, please let me know.

--

From: Pan Xinhui 

commit 11b7e154b132232535befe51c55db048069c8461 upstream.

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .

Fixes: fa2b4e54d41f ("powerpc/nvram: Improve partition removal")
Signed-off-by: Pan Xinhui 
Signed-off-by: Michael Ellerman 
Signed-off-by: Ben Hutchings 
---
 arch/powerpc/kernel/nvram_64.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -280,7 +280,7 @@ int __init nvram_remove_partition(const
 
/* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
-   strncpy(part->header.name, "", 12);
+   memset(part->header.name, 'w', 12);
part->header.checksum = nvram_checksum(>header);
rc = nvram_write_header(part);
if (rc <= 0) {
@@ -298,8 +298,8 @@ int __init nvram_remove_partition(const
}
if (prev) {
prev->header.length += part->header.length;
-   prev->header.checksum = nvram_checksum(>header);
-   rc = nvram_write_header(part);
+   prev->header.checksum = nvram_checksum(>header);
+   rc = nvram_write_header(prev);
if (rc <= 0) {
printk(KERN_ERR "nvram_remove_partition: 
nvram_write failed (%d)\n", rc);
return rc;



[PATCH 3.2 023/126] powerpc/nvram: Fix an incorrect partition merge

2017-02-15 Thread Ben Hutchings
3.2.85-rc1 review patch.  If anyone has any objections, please let me know.

--

From: Pan Xinhui 

commit 11b7e154b132232535befe51c55db048069c8461 upstream.

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .

Fixes: fa2b4e54d41f ("powerpc/nvram: Improve partition removal")
Signed-off-by: Pan Xinhui 
Signed-off-by: Michael Ellerman 
Signed-off-by: Ben Hutchings 
---
 arch/powerpc/kernel/nvram_64.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -280,7 +280,7 @@ int __init nvram_remove_partition(const
 
/* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
-   strncpy(part->header.name, "", 12);
+   memset(part->header.name, 'w', 12);
part->header.checksum = nvram_checksum(>header);
rc = nvram_write_header(part);
if (rc <= 0) {
@@ -298,8 +298,8 @@ int __init nvram_remove_partition(const
}
if (prev) {
prev->header.length += part->header.length;
-   prev->header.checksum = nvram_checksum(>header);
-   rc = nvram_write_header(part);
+   prev->header.checksum = nvram_checksum(>header);
+   rc = nvram_write_header(prev);
if (rc <= 0) {
printk(KERN_ERR "nvram_remove_partition: 
nvram_write failed (%d)\n", rc);
return rc;



[PATCH 3.10 068/319] powerpc/nvram: Fix an incorrect partition merge

2017-02-05 Thread Willy Tarreau
From: Pan Xinhui 

commit 11b7e154b132232535befe51c55db048069c8461 upstream.

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .

Fixes: fa2b4e54d41f ("powerpc/nvram: Improve partition removal")
Signed-off-by: Pan Xinhui 
Signed-off-by: Michael Ellerman 
Signed-off-by: Willy Tarreau 
---
 arch/powerpc/kernel/nvram_64.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index 48fbc2b..4047d8a 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -280,7 +280,7 @@ int __init nvram_remove_partition(const char *name, int sig,
 
/* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
-   strncpy(part->header.name, "", 12);
+   memset(part->header.name, 'w', 12);
part->header.checksum = nvram_checksum(>header);
rc = nvram_write_header(part);
if (rc <= 0) {
@@ -298,8 +298,8 @@ int __init nvram_remove_partition(const char *name, int sig,
}
if (prev) {
prev->header.length += part->header.length;
-   prev->header.checksum = nvram_checksum(>header);
-   rc = nvram_write_header(part);
+   prev->header.checksum = nvram_checksum(>header);
+   rc = nvram_write_header(prev);
if (rc <= 0) {
printk(KERN_ERR "nvram_remove_partition: 
nvram_write failed (%d)\n", rc);
return rc;
-- 
2.8.0.rc2.1.gbe9624a



[PATCH 3.10 068/319] powerpc/nvram: Fix an incorrect partition merge

2017-02-05 Thread Willy Tarreau
From: Pan Xinhui 

commit 11b7e154b132232535befe51c55db048069c8461 upstream.

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .

Fixes: fa2b4e54d41f ("powerpc/nvram: Improve partition removal")
Signed-off-by: Pan Xinhui 
Signed-off-by: Michael Ellerman 
Signed-off-by: Willy Tarreau 
---
 arch/powerpc/kernel/nvram_64.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index 48fbc2b..4047d8a 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -280,7 +280,7 @@ int __init nvram_remove_partition(const char *name, int sig,
 
/* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
-   strncpy(part->header.name, "", 12);
+   memset(part->header.name, 'w', 12);
part->header.checksum = nvram_checksum(>header);
rc = nvram_write_header(part);
if (rc <= 0) {
@@ -298,8 +298,8 @@ int __init nvram_remove_partition(const char *name, int sig,
}
if (prev) {
prev->header.length += part->header.length;
-   prev->header.checksum = nvram_checksum(>header);
-   rc = nvram_write_header(part);
+   prev->header.checksum = nvram_checksum(>header);
+   rc = nvram_write_header(prev);
if (rc <= 0) {
printk(KERN_ERR "nvram_remove_partition: 
nvram_write failed (%d)\n", rc);
return rc;
-- 
2.8.0.rc2.1.gbe9624a



[PATCH 3.12 68/72] powerpc/nvram: Fix an incorrect partition merge

2016-11-07 Thread Jiri Slaby
From: Pan Xinhui 

3.12-stable review patch.  If anyone has any objections, please let me know.

===

commit 11b7e154b132232535befe51c55db048069c8461 upstream.

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .

Fixes: fa2b4e54d41f ("powerpc/nvram: Improve partition removal")
Signed-off-by: Pan Xinhui 
Signed-off-by: Michael Ellerman 
Signed-off-by: Jiri Slaby 
---
 arch/powerpc/kernel/nvram_64.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index 8213ee1eb05a..1def48da21b2 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -288,7 +288,7 @@ int __init nvram_remove_partition(const char *name, int sig,
 
/* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
-   strncpy(part->header.name, "", 12);
+   memset(part->header.name, 'w', 12);
part->header.checksum = nvram_checksum(>header);
rc = nvram_write_header(part);
if (rc <= 0) {
@@ -306,8 +306,8 @@ int __init nvram_remove_partition(const char *name, int sig,
}
if (prev) {
prev->header.length += part->header.length;
-   prev->header.checksum = nvram_checksum(>header);
-   rc = nvram_write_header(part);
+   prev->header.checksum = nvram_checksum(>header);
+   rc = nvram_write_header(prev);
if (rc <= 0) {
printk(KERN_ERR "nvram_remove_partition: 
nvram_write failed (%d)\n", rc);
return rc;
-- 
2.10.2



[PATCH 3.12 68/72] powerpc/nvram: Fix an incorrect partition merge

2016-11-07 Thread Jiri Slaby
From: Pan Xinhui 

3.12-stable review patch.  If anyone has any objections, please let me know.

===

commit 11b7e154b132232535befe51c55db048069c8461 upstream.

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .

Fixes: fa2b4e54d41f ("powerpc/nvram: Improve partition removal")
Signed-off-by: Pan Xinhui 
Signed-off-by: Michael Ellerman 
Signed-off-by: Jiri Slaby 
---
 arch/powerpc/kernel/nvram_64.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index 8213ee1eb05a..1def48da21b2 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -288,7 +288,7 @@ int __init nvram_remove_partition(const char *name, int sig,
 
/* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
-   strncpy(part->header.name, "", 12);
+   memset(part->header.name, 'w', 12);
part->header.checksum = nvram_checksum(>header);
rc = nvram_write_header(part);
if (rc <= 0) {
@@ -306,8 +306,8 @@ int __init nvram_remove_partition(const char *name, int sig,
}
if (prev) {
prev->header.length += part->header.length;
-   prev->header.checksum = nvram_checksum(>header);
-   rc = nvram_write_header(part);
+   prev->header.checksum = nvram_checksum(>header);
+   rc = nvram_write_header(prev);
if (rc <= 0) {
printk(KERN_ERR "nvram_remove_partition: 
nvram_write failed (%d)\n", rc);
return rc;
-- 
2.10.2



[PATCH 4.4 50/51] powerpc/nvram: Fix an incorrect partition merge

2016-10-29 Thread Greg Kroah-Hartman
4.4-stable review patch.  If anyone has any objections, please let me know.

--

From: Pan Xinhui 

commit 11b7e154b132232535befe51c55db048069c8461 upstream.

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .

Fixes: fa2b4e54d41f ("powerpc/nvram: Improve partition removal")
Signed-off-by: Pan Xinhui 
Signed-off-by: Michael Ellerman 
Signed-off-by: Greg Kroah-Hartman 

---
 arch/powerpc/kernel/nvram_64.c |6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -969,7 +969,7 @@ int __init nvram_remove_partition(const
 
/* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
-   strncpy(part->header.name, "", 12);
+   memset(part->header.name, 'w', 12);
part->header.checksum = nvram_checksum(>header);
rc = nvram_write_header(part);
if (rc <= 0) {
@@ -987,8 +987,8 @@ int __init nvram_remove_partition(const
}
if (prev) {
prev->header.length += part->header.length;
-   prev->header.checksum = nvram_checksum(>header);
-   rc = nvram_write_header(part);
+   prev->header.checksum = nvram_checksum(>header);
+   rc = nvram_write_header(prev);
if (rc <= 0) {
printk(KERN_ERR "nvram_remove_partition: 
nvram_write failed (%d)\n", rc);
return rc;




[PATCH 4.4 50/51] powerpc/nvram: Fix an incorrect partition merge

2016-10-29 Thread Greg Kroah-Hartman
4.4-stable review patch.  If anyone has any objections, please let me know.

--

From: Pan Xinhui 

commit 11b7e154b132232535befe51c55db048069c8461 upstream.

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .

Fixes: fa2b4e54d41f ("powerpc/nvram: Improve partition removal")
Signed-off-by: Pan Xinhui 
Signed-off-by: Michael Ellerman 
Signed-off-by: Greg Kroah-Hartman 

---
 arch/powerpc/kernel/nvram_64.c |6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -969,7 +969,7 @@ int __init nvram_remove_partition(const
 
/* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
-   strncpy(part->header.name, "", 12);
+   memset(part->header.name, 'w', 12);
part->header.checksum = nvram_checksum(>header);
rc = nvram_write_header(part);
if (rc <= 0) {
@@ -987,8 +987,8 @@ int __init nvram_remove_partition(const
}
if (prev) {
prev->header.length += part->header.length;
-   prev->header.checksum = nvram_checksum(>header);
-   rc = nvram_write_header(part);
+   prev->header.checksum = nvram_checksum(>header);
+   rc = nvram_write_header(prev);
if (rc <= 0) {
printk(KERN_ERR "nvram_remove_partition: 
nvram_write failed (%d)\n", rc);
return rc;




[PATCH 4.8 112/125] powerpc/nvram: Fix an incorrect partition merge

2016-10-29 Thread Greg Kroah-Hartman
4.8-stable review patch.  If anyone has any objections, please let me know.

--

From: Pan Xinhui 

commit 11b7e154b132232535befe51c55db048069c8461 upstream.

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .

Fixes: fa2b4e54d41f ("powerpc/nvram: Improve partition removal")
Signed-off-by: Pan Xinhui 
Signed-off-by: Michael Ellerman 
Signed-off-by: Greg Kroah-Hartman 

---
 arch/powerpc/kernel/nvram_64.c |6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -956,7 +956,7 @@ int __init nvram_remove_partition(const
 
/* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
-   strncpy(part->header.name, "", 12);
+   memset(part->header.name, 'w', 12);
part->header.checksum = nvram_checksum(>header);
rc = nvram_write_header(part);
if (rc <= 0) {
@@ -974,8 +974,8 @@ int __init nvram_remove_partition(const
}
if (prev) {
prev->header.length += part->header.length;
-   prev->header.checksum = nvram_checksum(>header);
-   rc = nvram_write_header(part);
+   prev->header.checksum = nvram_checksum(>header);
+   rc = nvram_write_header(prev);
if (rc <= 0) {
printk(KERN_ERR "nvram_remove_partition: 
nvram_write failed (%d)\n", rc);
return rc;




[PATCH 4.8 112/125] powerpc/nvram: Fix an incorrect partition merge

2016-10-29 Thread Greg Kroah-Hartman
4.8-stable review patch.  If anyone has any objections, please let me know.

--

From: Pan Xinhui 

commit 11b7e154b132232535befe51c55db048069c8461 upstream.

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .

Fixes: fa2b4e54d41f ("powerpc/nvram: Improve partition removal")
Signed-off-by: Pan Xinhui 
Signed-off-by: Michael Ellerman 
Signed-off-by: Greg Kroah-Hartman 

---
 arch/powerpc/kernel/nvram_64.c |6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -956,7 +956,7 @@ int __init nvram_remove_partition(const
 
/* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
-   strncpy(part->header.name, "", 12);
+   memset(part->header.name, 'w', 12);
part->header.checksum = nvram_checksum(>header);
rc = nvram_write_header(part);
if (rc <= 0) {
@@ -974,8 +974,8 @@ int __init nvram_remove_partition(const
}
if (prev) {
prev->header.length += part->header.length;
-   prev->header.checksum = nvram_checksum(>header);
-   rc = nvram_write_header(part);
+   prev->header.checksum = nvram_checksum(>header);
+   rc = nvram_write_header(prev);
if (rc <= 0) {
printk(KERN_ERR "nvram_remove_partition: 
nvram_write failed (%d)\n", rc);
return rc;




Re: powerpc/nvram: Fix an incorrect partition merge

2016-09-20 Thread Michael Ellerman
On Thu, 2015-10-12 at 07:30:02 UTC, xinhui wrote:
> From: Pan Xinhui 
> 
> When we merge two contiguous partitions whose signatures are marked
> NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
> to nvram, not cur's. So lets fix this mistake now.
> 
> Also use memset instead of strncpy to set the partition's name. It's
> more readable if we want to fill up with duplicate chars .
> 
> Signed-off-by: Pan Xinhui 

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/11b7e154b132232535befe51c5

cheers


Re: powerpc/nvram: Fix an incorrect partition merge

2016-09-20 Thread Michael Ellerman
On Thu, 2015-10-12 at 07:30:02 UTC, xinhui wrote:
> From: Pan Xinhui 
> 
> When we merge two contiguous partitions whose signatures are marked
> NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
> to nvram, not cur's. So lets fix this mistake now.
> 
> Also use memset instead of strncpy to set the partition's name. It's
> more readable if we want to fill up with duplicate chars .
> 
> Signed-off-by: Pan Xinhui 

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/11b7e154b132232535befe51c5

cheers


Re: powerpc/nvram: Fix an incorrect partition merge

2016-06-13 Thread xinhui



On 2016年06月07日 19:39, Michael Ellerman wrote:

On Mon, 2016-06-06 at 13:31 +0800, xinhui wrote:

On 2016年06月03日 19:47, Michael Ellerman wrote:

On Thu, 2015-10-12 at 07:30:02 UTC, xinhui wrote:

From: Pan Xinhui 

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .


Does this ever happen in practice? ie. should we backport the fix to stable
kernels?


I did not see that nvram warning in practice. BUT I suggest to backport it to 
stable kernel. :)

Let me recall the story. :)
In past days, I was using pstore to keep some kernel logs. and sometimes I 
found my own logs and the panic logs did not show.
pstore use a fixed-address reserved memory In x86 while nvram instead in ppc.

Then I spent some days to review the nvram codes.
And worked out three patches to fix all issues that I found in nvram. BUT looks 
like I only sent out two of them. :)
I lost the third patch maybe...


OK.


Has it always been broken?


no. after nvram partition corruption hit, all nvram partitions will be erased 
and re-alloc after the second machine reboot.
I don't know who does it but i guess it is the firmware. :)


Actually I meant has the code always contained the bug, or was it added 
recently.


fix fa2b4e54d41f3c9f1bee6a7d63ecd4f0ab161e89 ("powerpc/nvram: Improve partition 
removal")
and it is from Ben.

So cc Ben :)

cheers





Re: powerpc/nvram: Fix an incorrect partition merge

2016-06-13 Thread xinhui



On 2016年06月07日 19:39, Michael Ellerman wrote:

On Mon, 2016-06-06 at 13:31 +0800, xinhui wrote:

On 2016年06月03日 19:47, Michael Ellerman wrote:

On Thu, 2015-10-12 at 07:30:02 UTC, xinhui wrote:

From: Pan Xinhui 

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .


Does this ever happen in practice? ie. should we backport the fix to stable
kernels?


I did not see that nvram warning in practice. BUT I suggest to backport it to 
stable kernel. :)

Let me recall the story. :)
In past days, I was using pstore to keep some kernel logs. and sometimes I 
found my own logs and the panic logs did not show.
pstore use a fixed-address reserved memory In x86 while nvram instead in ppc.

Then I spent some days to review the nvram codes.
And worked out three patches to fix all issues that I found in nvram. BUT looks 
like I only sent out two of them. :)
I lost the third patch maybe...


OK.


Has it always been broken?


no. after nvram partition corruption hit, all nvram partitions will be erased 
and re-alloc after the second machine reboot.
I don't know who does it but i guess it is the firmware. :)


Actually I meant has the code always contained the bug, or was it added 
recently.


fix fa2b4e54d41f3c9f1bee6a7d63ecd4f0ab161e89 ("powerpc/nvram: Improve partition 
removal")
and it is from Ben.

So cc Ben :)

cheers





Re: powerpc/nvram: Fix an incorrect partition merge

2016-06-07 Thread Michael Ellerman
On Mon, 2016-06-06 at 13:31 +0800, xinhui wrote:
> On 2016年06月03日 19:47, Michael Ellerman wrote:
> > On Thu, 2015-10-12 at 07:30:02 UTC, xinhui wrote:
> > > From: Pan Xinhui 
> > > 
> > > When we merge two contiguous partitions whose signatures are marked
> > > NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
> > > to nvram, not cur's. So lets fix this mistake now.
> > > 
> > > Also use memset instead of strncpy to set the partition's name. It's
> > > more readable if we want to fill up with duplicate chars .
> > 
> > Does this ever happen in practice? ie. should we backport the fix to stable
> > kernels?
> 
> I did not see that nvram warning in practice. BUT I suggest to backport it to 
> stable kernel. :)
> 
> Let me recall the story. :)
> In past days, I was using pstore to keep some kernel logs. and sometimes I 
> found my own logs and the panic logs did not show.
> pstore use a fixed-address reserved memory In x86 while nvram instead in ppc.
> 
> Then I spent some days to review the nvram codes.
> And worked out three patches to fix all issues that I found in nvram. BUT 
> looks like I only sent out two of them. :)
> I lost the third patch maybe...

OK.

> > Has it always been broken?
> 
> no. after nvram partition corruption hit, all nvram partitions will be erased 
> and re-alloc after the second machine reboot.
> I don't know who does it but i guess it is the firmware. :)

Actually I meant has the code always contained the bug, or was it added 
recently.

cheers



Re: powerpc/nvram: Fix an incorrect partition merge

2016-06-07 Thread Michael Ellerman
On Mon, 2016-06-06 at 13:31 +0800, xinhui wrote:
> On 2016年06月03日 19:47, Michael Ellerman wrote:
> > On Thu, 2015-10-12 at 07:30:02 UTC, xinhui wrote:
> > > From: Pan Xinhui 
> > > 
> > > When we merge two contiguous partitions whose signatures are marked
> > > NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
> > > to nvram, not cur's. So lets fix this mistake now.
> > > 
> > > Also use memset instead of strncpy to set the partition's name. It's
> > > more readable if we want to fill up with duplicate chars .
> > 
> > Does this ever happen in practice? ie. should we backport the fix to stable
> > kernels?
> 
> I did not see that nvram warning in practice. BUT I suggest to backport it to 
> stable kernel. :)
> 
> Let me recall the story. :)
> In past days, I was using pstore to keep some kernel logs. and sometimes I 
> found my own logs and the panic logs did not show.
> pstore use a fixed-address reserved memory In x86 while nvram instead in ppc.
> 
> Then I spent some days to review the nvram codes.
> And worked out three patches to fix all issues that I found in nvram. BUT 
> looks like I only sent out two of them. :)
> I lost the third patch maybe...

OK.

> > Has it always been broken?
> 
> no. after nvram partition corruption hit, all nvram partitions will be erased 
> and re-alloc after the second machine reboot.
> I don't know who does it but i guess it is the firmware. :)

Actually I meant has the code always contained the bug, or was it added 
recently.

cheers



Re: powerpc/nvram: Fix an incorrect partition merge

2016-06-06 Thread Stewart Smith
xinhui  writes:
>> Has it always been broken?
>>
>
> no. after nvram partition corruption hit, all nvram partitions will be
> erased and re-alloc after the second machine reboot.
> I don't know who does it but i guess it is the firmware. :)

It is. PAPR says we format NVRAM when it's corrupted. This is also true
for NVRAM for PowerNV (not just pseries guest).

-- 
Stewart Smith
OPAL Architect, IBM.



Re: powerpc/nvram: Fix an incorrect partition merge

2016-06-06 Thread Stewart Smith
xinhui  writes:
>> Has it always been broken?
>>
>
> no. after nvram partition corruption hit, all nvram partitions will be
> erased and re-alloc after the second machine reboot.
> I don't know who does it but i guess it is the firmware. :)

It is. PAPR says we format NVRAM when it's corrupted. This is also true
for NVRAM for PowerNV (not just pseries guest).

-- 
Stewart Smith
OPAL Architect, IBM.



Re: powerpc/nvram: Fix an incorrect partition merge

2016-06-05 Thread xinhui



On 2016年06月03日 19:47, Michael Ellerman wrote:

On Thu, 2015-10-12 at 07:30:02 UTC, xinhui wrote:

From: Pan Xinhui 

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .


Does this ever happen in practice? ie. should we backport the fix to stable
kernels?



I did not see that nvram warning in practice. BUT I suggest to backport it to 
stable kernel. :)

Let me recall the story. :)
In past days, I was using pstore to keep some kernel logs. and sometimes I 
found my own logs and the panic logs did not show.
pstore use a fixed-address reserved memory In x86 while nvram instead in ppc.

Then I spent some days to review the nvram codes.
And worked out three patches to fix all issues that I found in nvram. BUT looks 
like I only sent out two of them. :)
I lost the third patch maybe...


Has it always been broken?



no. after nvram partition corruption hit, all nvram partitions will be erased 
and re-alloc after the second machine reboot.
I don't know who does it but i guess it is the firmware. :)

thanks
xinhui

cheers





Re: powerpc/nvram: Fix an incorrect partition merge

2016-06-05 Thread xinhui



On 2016年06月03日 19:47, Michael Ellerman wrote:

On Thu, 2015-10-12 at 07:30:02 UTC, xinhui wrote:

From: Pan Xinhui 

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .


Does this ever happen in practice? ie. should we backport the fix to stable
kernels?



I did not see that nvram warning in practice. BUT I suggest to backport it to 
stable kernel. :)

Let me recall the story. :)
In past days, I was using pstore to keep some kernel logs. and sometimes I 
found my own logs and the panic logs did not show.
pstore use a fixed-address reserved memory In x86 while nvram instead in ppc.

Then I spent some days to review the nvram codes.
And worked out three patches to fix all issues that I found in nvram. BUT looks 
like I only sent out two of them. :)
I lost the third patch maybe...


Has it always been broken?



no. after nvram partition corruption hit, all nvram partitions will be erased 
and re-alloc after the second machine reboot.
I don't know who does it but i guess it is the firmware. :)

thanks
xinhui

cheers





Re: powerpc/nvram: Fix an incorrect partition merge

2016-06-03 Thread Michael Ellerman
On Thu, 2015-10-12 at 07:30:02 UTC, xinhui wrote:
> From: Pan Xinhui 
> 
> When we merge two contiguous partitions whose signatures are marked
> NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
> to nvram, not cur's. So lets fix this mistake now.
> 
> Also use memset instead of strncpy to set the partition's name. It's
> more readable if we want to fill up with duplicate chars .

Does this ever happen in practice? ie. should we backport the fix to stable
kernels?

Has it always been broken?

cheers


Re: powerpc/nvram: Fix an incorrect partition merge

2016-06-03 Thread Michael Ellerman
On Thu, 2015-10-12 at 07:30:02 UTC, xinhui wrote:
> From: Pan Xinhui 
> 
> When we merge two contiguous partitions whose signatures are marked
> NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
> to nvram, not cur's. So lets fix this mistake now.
> 
> Also use memset instead of strncpy to set the partition's name. It's
> more readable if we want to fill up with duplicate chars .

Does this ever happen in practice? ie. should we backport the fix to stable
kernels?

Has it always been broken?

cheers


Re: [PATCH] powerpc/nvram: Fix an incorrect partition merge

2015-12-10 Thread xinhui
Hi, all
I do some tests *without* my fix patch. after reboot, I saw logs below.

[0.271236] WARNING: nvram partition checksum was 58, should be 24!
[0.271239] Terminating nvram partition scan

If I do tests *with* my fix patch, logs are:

[0.291419] NVRAM Partitions-
[0.291422] indx sig chkslen name
[0.291425]0 51  15  512  ibm,CPU0log
[0.291428] 8192 51  94  128  ibm,CPU1log
[0.291431] 1024070  fc  256   common
[0.291434] 14336a0  b5  131 ibm,rtas-log
[0.291437] 16432a0  4f  251 lnx,oops-log
[0.291440] 204487f  26  2818


HOW TO REPRODUCE this warning?:
root@ubuntu:/home/pp/host# ./a.out 0 xinhui 4096
root@ubuntu:/home/pp/host# ./a.out 0 xinhui2 4096
root@ubuntu:/home/pp/host# ./a.out 0 xinhui3 4096
root@ubuntu:/home/pp/host# ./a.out 1 xinhui2
root@ubuntu:/home/pp/host# ./a.out 1 xinhui3
root@ubuntu:/home/pp/host# ./a.out 1 xinhui

then logs from dmesg are:
[  844.205337] XINHUI: dev_nvram_ioctl, [xinhui],[0]
[  844.205449] NVRAM Partitions-
[  844.205482] indx sig chkslen name
[  844.205510]0 51  15  512  ibm,CPU0log
[  844.205541] 8192 51  94  128  ibm,CPU1log
[  844.205573] 1024070  fc  256   common
[  844.205604] 14336a0  b5  131 ibm,rtas-log
[  844.205636] 16432a0  4f  251 lnx,oops-log
[  844.205667] 204487f  5e  2818  free space
[  851.636438] XINHUI: dev_nvram_ioctl, [xinhui],[4096]
[  851.636534] NVRAM Partitions-
[  851.636573] indx sig chkslen name
[  851.636614]0 51  15  512  ibm,CPU0log
[  851.636651] 8192 51  94  128  ibm,CPU1log
[  851.636688] 1024070  fc  256   common
[  851.636725] 14336a0  b5  131 ibm,rtas-log
[  851.636762] 16432a0  4f  251 lnx,oops-log
[  851.636798] 20448ef  89  257   xinhui
[  851.636836] 245607f  5c  2561  free space
[  855.354409] XINHUI: dev_nvram_ioctl, [xinhui2],[4096]
[  855.354600] NVRAM Partitions-
[  855.354639] indx sig chkslen name
[  855.354671]0 51  15  512  ibm,CPU0log
[  855.354708] 8192 51  94  128  ibm,CPU1log
[  855.355499] 1024070  fc  256   common
[  855.356186] 14336a0  b5  131 ibm,rtas-log
[  855.356816] 16432a0  4f  251 lnx,oops-log
[  855.357429] 20448ef  89  257   xinhui
[  855.357966] 24560ef  bb  257  xinhui2
[  855.358466] 286727f  5a  2304  free space
[  857.866574] XINHUI: dev_nvram_ioctl, [xinhui3],[4096]
[  857.867449] NVRAM Partitions-
[  857.868250] indx sig chkslen name
[  857.869082]0 51  15  512  ibm,CPU0log
[  857.869901] 8192 51  94  128  ibm,CPU1log
[  857.870727] 1024070  fc  256   common
[  857.871569] 14336a0  b5  131 ibm,rtas-log
[  857.872392] 16432a0  4f  251 lnx,oops-log
[  857.873202] 20448ef  89  257   xinhui
[  857.874019] 24560ef  bb  257  xinhui2
[  857.874811] 28672ef  bc  257  xinhui3
[  857.875568] 327847f  58  2047  free space
[ 1015.661796] XINHUI: dev_nvram_ioctl, [xinhui2],[16383]
[ 1015.662670] NVRAM Partitions-
[ 1015.663457] indx sig chkslen name
[ 1015.664150]0 51  15  512  ibm,CPU0log
[ 1015.664788] 8192 51  94  128  ibm,CPU1log
[ 1015.665396] 1024070  fc  256   common
[ 1015.665948] 14336a0  b5  131 ibm,rtas-log
[ 1015.666470] 16432a0  4f  251 lnx,oops-log
[ 1015.666977] 20448ef  89  257   xinhui
[ 1015.667455] 245607f  1b  257 
[ 1015.667914] 28672ef  bc  257  xinhui3
[ 1015.668359] 327847f  58  2047  free space
[ 1017.452055] XINHUI: dev_nvram_ioctl, [xinhui3],[16383]
[ 1017.452902] NVRAM Partitions-
[ 1017.453731] indx sig chkslen name
[ 1017.454531]0 51  15  512  ibm,CPU0log
[ 1017.455341] 8192 51  94  128  ibm,CPU1log
[ 1017.456121] 1024070  fc  256   common
[ 1017.456916] 14336a0  b5  131 ibm,rtas-log
[ 1017.457705] 16432  

Re: [PATCH] powerpc/nvram: Fix an incorrect partition merge

2015-12-10 Thread xinhui
Hi, all
I do some tests *without* my fix patch. after reboot, I saw logs below.

[0.271236] WARNING: nvram partition checksum was 58, should be 24!
[0.271239] Terminating nvram partition scan

If I do tests *with* my fix patch, logs are:

[0.291419] NVRAM Partitions-
[0.291422] indx sig chkslen name
[0.291425]0 51  15  512  ibm,CPU0log
[0.291428] 8192 51  94  128  ibm,CPU1log
[0.291431] 1024070  fc  256   common
[0.291434] 14336a0  b5  131 ibm,rtas-log
[0.291437] 16432a0  4f  251 lnx,oops-log
[0.291440] 204487f  26  2818


HOW TO REPRODUCE this warning?:
root@ubuntu:/home/pp/host# ./a.out 0 xinhui 4096
root@ubuntu:/home/pp/host# ./a.out 0 xinhui2 4096
root@ubuntu:/home/pp/host# ./a.out 0 xinhui3 4096
root@ubuntu:/home/pp/host# ./a.out 1 xinhui2
root@ubuntu:/home/pp/host# ./a.out 1 xinhui3
root@ubuntu:/home/pp/host# ./a.out 1 xinhui

then logs from dmesg are:
[  844.205337] XINHUI: dev_nvram_ioctl, [xinhui],[0]
[  844.205449] NVRAM Partitions-
[  844.205482] indx sig chkslen name
[  844.205510]0 51  15  512  ibm,CPU0log
[  844.205541] 8192 51  94  128  ibm,CPU1log
[  844.205573] 1024070  fc  256   common
[  844.205604] 14336a0  b5  131 ibm,rtas-log
[  844.205636] 16432a0  4f  251 lnx,oops-log
[  844.205667] 204487f  5e  2818  free space
[  851.636438] XINHUI: dev_nvram_ioctl, [xinhui],[4096]
[  851.636534] NVRAM Partitions-
[  851.636573] indx sig chkslen name
[  851.636614]0 51  15  512  ibm,CPU0log
[  851.636651] 8192 51  94  128  ibm,CPU1log
[  851.636688] 1024070  fc  256   common
[  851.636725] 14336a0  b5  131 ibm,rtas-log
[  851.636762] 16432a0  4f  251 lnx,oops-log
[  851.636798] 20448ef  89  257   xinhui
[  851.636836] 245607f  5c  2561  free space
[  855.354409] XINHUI: dev_nvram_ioctl, [xinhui2],[4096]
[  855.354600] NVRAM Partitions-
[  855.354639] indx sig chkslen name
[  855.354671]0 51  15  512  ibm,CPU0log
[  855.354708] 8192 51  94  128  ibm,CPU1log
[  855.355499] 1024070  fc  256   common
[  855.356186] 14336a0  b5  131 ibm,rtas-log
[  855.356816] 16432a0  4f  251 lnx,oops-log
[  855.357429] 20448ef  89  257   xinhui
[  855.357966] 24560ef  bb  257  xinhui2
[  855.358466] 286727f  5a  2304  free space
[  857.866574] XINHUI: dev_nvram_ioctl, [xinhui3],[4096]
[  857.867449] NVRAM Partitions-
[  857.868250] indx sig chkslen name
[  857.869082]0 51  15  512  ibm,CPU0log
[  857.869901] 8192 51  94  128  ibm,CPU1log
[  857.870727] 1024070  fc  256   common
[  857.871569] 14336a0  b5  131 ibm,rtas-log
[  857.872392] 16432a0  4f  251 lnx,oops-log
[  857.873202] 20448ef  89  257   xinhui
[  857.874019] 24560ef  bb  257  xinhui2
[  857.874811] 28672ef  bc  257  xinhui3
[  857.875568] 327847f  58  2047  free space
[ 1015.661796] XINHUI: dev_nvram_ioctl, [xinhui2],[16383]
[ 1015.662670] NVRAM Partitions-
[ 1015.663457] indx sig chkslen name
[ 1015.664150]0 51  15  512  ibm,CPU0log
[ 1015.664788] 8192 51  94  128  ibm,CPU1log
[ 1015.665396] 1024070  fc  256   common
[ 1015.665948] 14336a0  b5  131 ibm,rtas-log
[ 1015.666470] 16432a0  4f  251 lnx,oops-log
[ 1015.666977] 20448ef  89  257   xinhui
[ 1015.667455] 245607f  1b  257 
[ 1015.667914] 28672ef  bc  257  xinhui3
[ 1015.668359] 327847f  58  2047  free space
[ 1017.452055] XINHUI: dev_nvram_ioctl, [xinhui3],[16383]
[ 1017.452902] NVRAM Partitions-
[ 1017.453731] indx sig chkslen name
[ 1017.454531]0 51  15  512  ibm,CPU0log
[ 1017.455341] 8192 51  94  128  ibm,CPU1log
[ 1017.456121] 1024070  fc  256   common
[ 1017.456916] 14336a0  b5  131 ibm,rtas-log
[ 1017.457705] 16432  

[PATCH] powerpc/nvram: Fix an incorrect partition merge

2015-12-09 Thread xinhui
From: Pan Xinhui 

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .

Signed-off-by: Pan Xinhui 
---
 arch/powerpc/kernel/nvram_64.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index 21a278b7..40e80ca 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -969,7 +969,7 @@ int __init nvram_remove_partition(const char *name, int sig,
 
/* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
-   strncpy(part->header.name, "", 12);
+   memset(part->header.name, 'w', 12);
part->header.checksum = nvram_checksum(>header);
rc = nvram_write_header(part);
if (rc <= 0) {
@@ -987,8 +987,8 @@ int __init nvram_remove_partition(const char *name, int sig,
}
if (prev) {
prev->header.length += part->header.length;
-   prev->header.checksum = nvram_checksum(>header);
-   rc = nvram_write_header(part);
+   prev->header.checksum = nvram_checksum(>header);
+   rc = nvram_write_header(prev);
if (rc <= 0) {
printk(KERN_ERR "nvram_remove_partition: 
nvram_write failed (%d)\n", rc);
return rc;
-- 
2.5.0

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[PATCH] powerpc/nvram: Fix an incorrect partition merge

2015-12-09 Thread xinhui
From: Pan Xinhui 

When we merge two contiguous partitions whose signatures are marked
NVRAM_SIG_FREE, We need update prev's length and checksum, then write it
to nvram, not cur's. So lets fix this mistake now.

Also use memset instead of strncpy to set the partition's name. It's
more readable if we want to fill up with duplicate chars .

Signed-off-by: Pan Xinhui 
---
 arch/powerpc/kernel/nvram_64.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index 21a278b7..40e80ca 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -969,7 +969,7 @@ int __init nvram_remove_partition(const char *name, int sig,
 
/* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
-   strncpy(part->header.name, "", 12);
+   memset(part->header.name, 'w', 12);
part->header.checksum = nvram_checksum(>header);
rc = nvram_write_header(part);
if (rc <= 0) {
@@ -987,8 +987,8 @@ int __init nvram_remove_partition(const char *name, int sig,
}
if (prev) {
prev->header.length += part->header.length;
-   prev->header.checksum = nvram_checksum(>header);
-   rc = nvram_write_header(part);
+   prev->header.checksum = nvram_checksum(>header);
+   rc = nvram_write_header(prev);
if (rc <= 0) {
printk(KERN_ERR "nvram_remove_partition: 
nvram_write failed (%d)\n", rc);
return rc;
-- 
2.5.0

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