[PATCH] drm/nouveau/gr/gv100-: unlock on error in gf100_gr_chan_new()

[Dan Carpenter]

Drop the "gr->fecs.mutex" lock before returning on this error path.

Fixes: ca081fff6ecc ("drm/nouveau/gr/gf100-: generate golden context during 
first object alloc")
Signed-off-by: Dan Carpenter <erro...@gmail.com>
---
 drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c 
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
index 5f20079c3660..24bec8f8f83e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -442,6 +442,7 @@ gf100_gr_chan_new(struct nvkm_gr *base, struct 
nvkm_fifo_chan *fifoch,
        if (gr->data == NULL) {
                ret = gf100_grctx_generate(gr, chan, fifoch->inst);
                if (ret) {
+                       mutex_unlock(&gr->fecs.mutex);
                        nvkm_error(&base->engine.subdev, "failed to construct 
context\n");
                        return ret;
                }
-- 
2.35.1