Message ID | 20181205074319.25030-1-wen.yang99@zte.com.cn (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | drm/amdgpu/acpi: NULL check before some freeing functions is not needed | expand |
Reviewed-by: Lyude Paul <lyude@redhat.com> Thanks! On Wed, 2018-12-05 at 15:43 +0800, Wen Yang wrote: > kfree(NULL) is safe, so removes NULL check before freeing the mem. > This patch also fix the ifnullfree.cocci warnings. > > Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> > CC: Alex Deucher <alexander.deucher@amd.com> > CC: christian.koenig@amd.com > CC: "David (ChunMing) Zhou" <David1.Zhou@amd.com> > CC: David Airlie <airlied@linux.ie> (maintainer:DRM DRIVERS) > CC: Lyude Paul <lyude@redhat.com> > CC: Rex Zhu <Rex.Zhu@amd.com> > CC: Jim Qu <Jim.Qu@amd.com> > CC: amd-gfx@lists.freedesktop.org > CC: dri-devel@lists.freedesktop.org > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c > index 7f0afc526419..996bfce149f2 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c > @@ -816,6 +816,5 @@ int amdgpu_acpi_init(struct amdgpu_device *adev) > void amdgpu_acpi_fini(struct amdgpu_device *adev) > { > unregister_acpi_notifier(&adev->acpi_nb); > - if (adev->atif) > - kfree(adev->atif); > + kfree(adev->atif); > }
Applied. thanks! Alex On Wed, Dec 5, 2018 at 2:02 PM Lyude Paul <lyude@redhat.com> wrote: > > Reviewed-by: Lyude Paul <lyude@redhat.com> > > Thanks! > > On Wed, 2018-12-05 at 15:43 +0800, Wen Yang wrote: > > kfree(NULL) is safe, so removes NULL check before freeing the mem. > > This patch also fix the ifnullfree.cocci warnings. > > > > Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> > > CC: Alex Deucher <alexander.deucher@amd.com> > > CC: christian.koenig@amd.com > > CC: "David (ChunMing) Zhou" <David1.Zhou@amd.com> > > CC: David Airlie <airlied@linux.ie> (maintainer:DRM DRIVERS) > > CC: Lyude Paul <lyude@redhat.com> > > CC: Rex Zhu <Rex.Zhu@amd.com> > > CC: Jim Qu <Jim.Qu@amd.com> > > CC: amd-gfx@lists.freedesktop.org > > CC: dri-devel@lists.freedesktop.org > > --- > > drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 3 +-- > > 1 file changed, 1 insertion(+), 2 deletions(-) > > > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c > > b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c > > index 7f0afc526419..996bfce149f2 100644 > > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c > > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c > > @@ -816,6 +816,5 @@ int amdgpu_acpi_init(struct amdgpu_device *adev) > > void amdgpu_acpi_fini(struct amdgpu_device *adev) > > { > > unregister_acpi_notifier(&adev->acpi_nb); > > - if (adev->atif) > > - kfree(adev->atif); > > + kfree(adev->atif); > > } > -- > Cheers, > Lyude Paul > > _______________________________________________ > amd-gfx mailing list > amd-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 7f0afc526419..996bfce149f2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -816,6 +816,5 @@ int amdgpu_acpi_init(struct amdgpu_device *adev) void amdgpu_acpi_fini(struct amdgpu_device *adev) { unregister_acpi_notifier(&adev->acpi_nb); - if (adev->atif) - kfree(adev->atif); + kfree(adev->atif); }
kfree(NULL) is safe, so removes NULL check before freeing the mem. This patch also fix the ifnullfree.cocci warnings. Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> CC: Alex Deucher <alexander.deucher@amd.com> CC: christian.koenig@amd.com CC: "David (ChunMing) Zhou" <David1.Zhou@amd.com> CC: David Airlie <airlied@linux.ie> (maintainer:DRM DRIVERS) CC: Lyude Paul <lyude@redhat.com> CC: Rex Zhu <Rex.Zhu@amd.com> CC: Jim Qu <Jim.Qu@amd.com> CC: amd-gfx@lists.freedesktop.org CC: dri-devel@lists.freedesktop.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)