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authorWen Yang <wen.yang99@zte.com.cn>2018-12-05 15:43:19 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-12-05 17:50:26 -0500
commit8288b2e5ae01cabd078836618fd651574343cbfc (patch)
tree9143975520c7dca8d3ebd57c9b299b0786b1c097 /drivers/gpu/drm/amd
parentd4295e12796e747f9a624a56cd54de51fb2b3bdd (diff)
drm/amdgpu/acpi: NULL check before some freeing functions is not needed
kfree(NULL) is safe, so removes NULL check before freeing the mem. This patch also fix the ifnullfree.cocci warnings. Reviewed-by: Lyude Paul <lyude@redhat.com> 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 Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index 47db65926d71..4376b17ca594 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -886,6 +886,5 @@ void amdgpu_acpi_get_backlight_caps(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);
}