[PATCH] drm/nouveau/fifo: small cleanup in nvkm_chan_cctx_get()

[Dan Carpenter]

"&chan->cgrp->mutex" and "&cgrp->mutex" are the same thing.  Use
"&cgrp->mutex" consistently.  It looks nicer and it silences a
Smatch static checker warning.

Signed-off-by: Dan Carpenter <dan.carpen...@linaro.org>
---
 drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c 
b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
index 7d4716dcd512..f5cd7f7c48b4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
@@ -104,7 +104,7 @@ nvkm_chan_cctx_get(struct nvkm_chan *chan, struct nvkm_engn 
*engn, struct nvkm_c
        if (cctx) {
                refcount_inc(&cctx->refs);
                *pcctx = cctx;
-               mutex_unlock(&chan->cgrp->mutex);
+               mutex_unlock(&cgrp->mutex);
                return 0;
        }
 
-- 
2.47.2