The "if(!encoder)" branch return the same value 0 of the success branch, maybe return -EINVAL is more better. Signed-off-by: Bernard Zhao <bernard@xxxxxxxx> --- Changes since V1: * commit message improve --- drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c index f355d9a..1f8c6b4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -474,12 +474,12 @@ static int amdgpu_connector_set_property(struct drm_connector *connector, /* need to find digital encoder on connector */ encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) - return 0; + return -EINVAL; amdgpu_encoder = to_amdgpu_encoder(encoder); if (!amdgpu_encoder->enc_priv) - return 0; + return -EINVAL; dig = amdgpu_encoder->enc_priv; new_coherent_mode = val ? true : false; @@ -494,7 +494,7 @@ static int amdgpu_connector_set_property(struct drm_connector *connector, /* need to find digital encoder on connector */ encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) - return 0; + return -EINVAL; amdgpu_encoder = to_amdgpu_encoder(encoder); @@ -509,7 +509,7 @@ static int amdgpu_connector_set_property(struct drm_connector *connector, /* need to find digital encoder on connector */ encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) - return 0; + return -EINVAL; amdgpu_encoder = to_amdgpu_encoder(encoder); @@ -523,7 +523,7 @@ static int amdgpu_connector_set_property(struct drm_connector *connector, /* need to find digital encoder on connector */ encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) - return 0; + return -EINVAL; amdgpu_encoder = to_amdgpu_encoder(encoder); @@ -537,7 +537,7 @@ static int amdgpu_connector_set_property(struct drm_connector *connector, /* need to find digital encoder on connector */ encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) - return 0; + return -EINVAL; amdgpu_encoder = to_amdgpu_encoder(encoder); @@ -551,7 +551,7 @@ static int amdgpu_connector_set_property(struct drm_connector *connector, /* need to find digital encoder on connector */ encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) - return 0; + return -EINVAL; amdgpu_encoder = to_amdgpu_encoder(encoder); -- 2.7.4 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel