Pointer nv_encoder could be dereferenced at nouveau_connector.c in case it's equal to NULL by jumping to goto label. This patch adds a NULL-check to avoid it. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 3195c5f9784a ("drm/nouveau: set encoder for lvds") Signed-off-by: Natalia Petrova <n.petrova@xxxxxxxxxx> --- drivers/gpu/drm/nouveau/nouveau_connector.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 43a9d1e1cf71..90ba6d0a9c80 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -729,7 +729,8 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) #endif nouveau_connector_set_edid(nv_connector, edid); - nouveau_connector_set_encoder(connector, nv_encoder); + if (nv_encoder) + nouveau_connector_set_encoder(connector, nv_encoder); return status; } -- 2.34.1