drm/amd/powerplay: set pp_num_states as 0 on error situation

Signed-off-by: Evan Quan <evan.quan@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
mariux64 · Jan 10, 2018 · 4dbda35 · 4dbda35
1 parent 40b4667
commit 4dbda35
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -718,6 +718,8 @@ static int pp_dpm_get_pp_num_states(void *handle,
 	struct pp_instance *pp_handle = (struct pp_instance *)handle;
 	int ret = 0;
 
+	memset(data, 0, sizeof(*data));
+
 	ret = pp_check(pp_handle);
 
 	if (ret)