Fixes coccicheck warning:
./arch/powerpc/platforms/powernv/opal.c:813:1-5:
alloc with no test, possible model on line 814
Add NULL check after kzalloc.
Signed-off-by: Chen Zhou
---
arch/powerpc/platforms/powernv/opal.c | 4
1 file changed, 4 insertions(+)
diff --git a/arch
Free function kfree() already does NULL check, so the additional
check is unnecessary, just remove it.
Signed-off-by: Chen Zhou
---
arch/powerpc/kvm/book3s_hv_nested.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/powerpc/kvm/book3s_hv_nested.c
b/arch/powerpc/kvm
Fixes gcc '-Wunused-but-set-variable' warning:
drivers/pci/hotplug/rpaphp_core.c: In function is_php_type:
drivers/pci/hotplug/rpaphp_core.c:291:16: warning:
variable value set but not used [-Wunused-but-set-variable]
Reported-by: Hulk Robot
Signed-off-by: Chen Zhou
---
drivers/pci
Fixes coccicheck warning:
./arch/powerpc/platforms/maple/setup.c:232:15-16:
WARNING comparing pointer to 0
Compare pointer-typed values to NULL rather than 0.
Signed-off-by: Chen Zhou
---
arch/powerpc/platforms/maple/setup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff
against removal
races already, the proxy creation may be bypassed by creating the files
using DEFINE_DEBUGFS_ATTRIBUTE() and debugfs_create_file_unsafe().
Signed-off-by: Chen Zhou
---
Changes since v1:
- modify commit message.
arch/powerpc/kernel/setup_64.c | 4 ++--
1 file changed, 2
Hi Michael,
On 2019/12/18 19:02, Michael Ellerman wrote:
> Chen Zhou writes:
>> Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE for
>> debugfs files.
>>
>> Semantic patch information:
>> Rationale: DEFINE_SIMPLE_ATTRIBUTE + debugfs_create_f
Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE for
debugfs files.
Semantic patch information:
Rationale: DEFINE_SIMPLE_ATTRIBUTE + debugfs_create_file()
imposes some significant overhead as compared to
DEFINE_DEBUGFS_ATTRIBUTE + debugfs_create_file_unsafe().
Signed-off-by: Chen
