Re: [PATCH v2 1/4] device_cgroup: prepare exception list handling functions for two lists

2013-01-24 Thread Tejun Heo
On Thu, Jan 24, 2013 at 02:49:58PM -0500, a...@redhat.com wrote:
> In the following patches, device_cgroup structure will have two sets of
> behavior and exceptions list (actual one, another with the local settings)
> so rework the functions to use exception list, not a device_cgroup.
> 
> Cc: Tejun Heo 
> Cc: Serge Hallyn 
> Signed-off-by: Aristeu Rozanski 

Acked-by: Tejun Heo 

-- 
tejun
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[PATCH v2 1/4] device_cgroup: prepare exception list handling functions for two lists

2013-01-24 Thread aris
In the following patches, device_cgroup structure will have two sets of
behavior and exceptions list (actual one, another with the local settings)
so rework the functions to use exception list, not a device_cgroup.

Cc: Tejun Heo 
Cc: Serge Hallyn 
Signed-off-by: Aristeu Rozanski 

---
 security/device_cgroup.c |   18 +-
 1 file changed, 9 insertions(+), 9 deletions(-)

--- github.orig/security/device_cgroup.c2013-01-24 10:40:32.814051897 
-0500
+++ github/security/device_cgroup.c 2013-01-24 10:40:33.913068234 -0500
@@ -104,7 +104,7 @@ free_and_exit:
 /*
  * called under devcgroup_mutex
  */
-static int dev_exception_add(struct dev_cgroup *dev_cgroup,
+static int dev_exception_add(struct list_head *exceptions,
 struct dev_exception_item *ex)
 {
struct dev_exception_item *excopy, *walk;
@@ -115,7 +115,7 @@ static int dev_exception_add(struct dev_
if (!excopy)
return -ENOMEM;
 
-   list_for_each_entry(walk, _cgroup->exceptions, list) {
+   list_for_each_entry(walk, exceptions, list) {
if (walk->type != ex->type)
continue;
if (walk->major != ex->major)
@@ -129,21 +129,21 @@ static int dev_exception_add(struct dev_
}
 
if (excopy != NULL)
-   list_add_tail_rcu(>list, _cgroup->exceptions);
+   list_add_tail_rcu(>list, exceptions);
return 0;
 }
 
 /*
  * called under devcgroup_mutex
  */
-static void dev_exception_rm(struct dev_cgroup *dev_cgroup,
+static void dev_exception_rm(struct list_head *exceptions,
 struct dev_exception_item *ex)
 {
struct dev_exception_item *walk, *tmp;
 
lockdep_assert_held(_mutex);
 
-   list_for_each_entry_safe(walk, tmp, _cgroup->exceptions, list) {
+   list_for_each_entry_safe(walk, tmp, exceptions, list) {
if (walk->type != ex->type)
continue;
if (walk->major != ex->major)
@@ -514,10 +514,10 @@   case '\0':
 * don't want to break compatibility
 */
if (devcgroup->behavior == DEVCG_DEFAULT_ALLOW) {
-   dev_exception_rm(devcgroup, );
+   dev_exception_rm(>exceptions, );
return 0;
}
-   return dev_exception_add(devcgroup, );
+   return dev_exception_add(>exceptions, );
case DEVCG_DENY:
/*
 * If the default policy is to deny by default, try to remove
@@ -525,10 +525,10 @@   return 0;
 * don't want to break compatibility
 */
if (devcgroup->behavior == DEVCG_DEFAULT_DENY) {
-   dev_exception_rm(devcgroup, );
+   dev_exception_rm(>exceptions, );
return 0;
}
-   return dev_exception_add(devcgroup, );
+   return dev_exception_add(>exceptions, );
default:
return -EINVAL;
}

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[PATCH v2 1/4] device_cgroup: prepare exception list handling functions for two lists

2013-01-24 Thread aris
In the following patches, device_cgroup structure will have two sets of
behavior and exceptions list (actual one, another with the local settings)
so rework the functions to use exception list, not a device_cgroup.

Cc: Tejun Heo t...@kernel.org
Cc: Serge Hallyn serge.hal...@canonical.com
Signed-off-by: Aristeu Rozanski a...@redhat.com

---
 security/device_cgroup.c |   18 +-
 1 file changed, 9 insertions(+), 9 deletions(-)

--- github.orig/security/device_cgroup.c2013-01-24 10:40:32.814051897 
-0500
+++ github/security/device_cgroup.c 2013-01-24 10:40:33.913068234 -0500
@@ -104,7 +104,7 @@ free_and_exit:
 /*
  * called under devcgroup_mutex
  */
-static int dev_exception_add(struct dev_cgroup *dev_cgroup,
+static int dev_exception_add(struct list_head *exceptions,
 struct dev_exception_item *ex)
 {
struct dev_exception_item *excopy, *walk;
@@ -115,7 +115,7 @@ static int dev_exception_add(struct dev_
if (!excopy)
return -ENOMEM;
 
-   list_for_each_entry(walk, dev_cgroup-exceptions, list) {
+   list_for_each_entry(walk, exceptions, list) {
if (walk-type != ex-type)
continue;
if (walk-major != ex-major)
@@ -129,21 +129,21 @@ static int dev_exception_add(struct dev_
}
 
if (excopy != NULL)
-   list_add_tail_rcu(excopy-list, dev_cgroup-exceptions);
+   list_add_tail_rcu(excopy-list, exceptions);
return 0;
 }
 
 /*
  * called under devcgroup_mutex
  */
-static void dev_exception_rm(struct dev_cgroup *dev_cgroup,
+static void dev_exception_rm(struct list_head *exceptions,
 struct dev_exception_item *ex)
 {
struct dev_exception_item *walk, *tmp;
 
lockdep_assert_held(devcgroup_mutex);
 
-   list_for_each_entry_safe(walk, tmp, dev_cgroup-exceptions, list) {
+   list_for_each_entry_safe(walk, tmp, exceptions, list) {
if (walk-type != ex-type)
continue;
if (walk-major != ex-major)
@@ -514,10 +514,10 @@   case '\0':
 * don't want to break compatibility
 */
if (devcgroup-behavior == DEVCG_DEFAULT_ALLOW) {
-   dev_exception_rm(devcgroup, ex);
+   dev_exception_rm(devcgroup-exceptions, ex);
return 0;
}
-   return dev_exception_add(devcgroup, ex);
+   return dev_exception_add(devcgroup-exceptions, ex);
case DEVCG_DENY:
/*
 * If the default policy is to deny by default, try to remove
@@ -525,10 +525,10 @@   return 0;
 * don't want to break compatibility
 */
if (devcgroup-behavior == DEVCG_DEFAULT_DENY) {
-   dev_exception_rm(devcgroup, ex);
+   dev_exception_rm(devcgroup-exceptions, ex);
return 0;
}
-   return dev_exception_add(devcgroup, ex);
+   return dev_exception_add(devcgroup-exceptions, ex);
default:
return -EINVAL;
}

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Re: [PATCH v2 1/4] device_cgroup: prepare exception list handling functions for two lists

2013-01-24 Thread Tejun Heo
On Thu, Jan 24, 2013 at 02:49:58PM -0500, a...@redhat.com wrote:
 In the following patches, device_cgroup structure will have two sets of
 behavior and exceptions list (actual one, another with the local settings)
 so rework the functions to use exception list, not a device_cgroup.
 
 Cc: Tejun Heo t...@kernel.org
 Cc: Serge Hallyn serge.hal...@canonical.com
 Signed-off-by: Aristeu Rozanski a...@redhat.com

Acked-by: Tejun Heo t...@kernel.org

-- 
tejun
--
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the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
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