In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/gr/gf100: Fix missing unlock in gf100grchannew() When the call to gf100grctxgenerate() fails, unlock gr->fecs.mutex before returning the error. Fixes smatch warning: drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c:480 gf100grchannew() warn: inconsistent returns '&gr->fecs.mutex'.