backlight_device_register() never returns NULL, it returns error
pointers on error so the check here is wrong.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 33a15a1d818c..75f9383f5b9b 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1296,7 +1296,7 @@ amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm)
&amdgpu_dm_backlight_ops,
&props);
- if (NULL == dm->backlight_dev)
+ if (IS_ERR(dm->backlight_dev))
DRM_ERROR("DM: Backlight registration failed!\n");
else
DRM_DEBUG_DRIVER("DM: Registered Backlight device: %s\n", bl_name);
--
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