drm/nouveau/core/memory: fix missing mutex unlock

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nvkm/core/memory.c b/drivers/gpu/drm/nouveau/nvkm/core/memory.c
index 29f4b40..e85a08e 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/core/memory.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/memory.c
@@ -64,6 +64,7 @@ nvkm_memory_tags_get(struct nvkm_memory *memory, struct nvkm_device *device,
                }
 
                refcount_inc(&tags->refcount);
+               mutex_unlock(&fb->subdev.mutex);
                *ptags = tags;
                return 0;
        }