In the Linux kernel, the following vulnerability has been resolved:
drm/nouveau/gr/gf100: Fix missing unlock in gf100grchan_new()
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 gf100grchan_new() warn: inconsistent returns '&gr->fecs.mutex'.