From: Bernard Zhao <bernard@xxxxxxxx> Date: 2020-04-21 10:07:50 To: Alex Deucher <alexander.deucher@xxxxxxx>,"Christian König" <christian.koenig@xxxxxxx>,"David (ChunMing) Zhou" <David1.Zhou@xxxxxxx>,David Airlie <airlied@xxxxxxxx>,Daniel Vetter <daniel@xxxxxxxx>,Lyude Paul <lyude@xxxxxxxxxx>,Sam Ravnborg <sam@xxxxxxxxxxxx>,Bernard Zhao <bernard@xxxxxxxx>,"José Roberto de Souza" <jose.souza@xxxxxxxxx>,Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxxxx>,amd-gfx@xxxxxxxxxxxxxxxxxxxxx,dri-devel@xxxxxxxxxxxxxxxxxxxxx,linux-kernel@xxxxxxxxxxxxxxx Cc: opensource.kernel@xxxxxxxx Subject: [PATCH v2] amdgpu: fixes error branch not return errno issue>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 > add Markus.Elfring in mail list Regards, Bernard _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel