[PATCH] drm/amdgpu/powerplay: return an error of copying to smc fails

[Alex Deucher]

Rather than just silently dropping it.  Also fixes a set but
unused variable warning.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/pm/powerplay/smumgr/tonga_smumgr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/tonga_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/tonga_smumgr.c
index 4bfadb49521b..04b561f5d932 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/tonga_smumgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/tonga_smumgr.c
@@ -2545,7 +2545,7 @@ static int tonga_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
 					(uint32_t)sizeof(fan_table),
 					SMC_RAM_END);
 
-	return 0;
+	return res;
 }
 
 
-- 
2.25.4