[PATCH] drm/msm: unlock on error in get_sched_entity()

[Dan Carpenter]

Add a missing unlock on the error path if drm_sched_entity_init() fails.

Fixes: 68002469e571 ("drm/msm: One sched entity per process per priority")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
 drivers/gpu/drm/msm/msm_submitqueue.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/msm/msm_submitqueue.c 
b/drivers/gpu/drm/msm/msm_submitqueue.c
index b8621c6e0554..7cb158bcbcf6 100644
--- a/drivers/gpu/drm/msm/msm_submitqueue.c
+++ b/drivers/gpu/drm/msm/msm_submitqueue.c
@@ -101,6 +101,7 @@ get_sched_entity(struct msm_file_private *ctx, struct 
msm_ringbuffer *ring,
 
                ret = drm_sched_entity_init(entity, sched_prio, &sched, 1, 
NULL);
                if (ret) {
+                       mutex_unlock(&entity_lock);
                        kfree(entity);
                        return ERR_PTR(ret);
                }
-- 
2.20.1