[PATCH] drm/msm: fix potential memleak in error branch

[Bernard Zhao]

In fucntin msm_submitqueue_create, the queue is a local
variable, in return -EINVAL branch, queue didn`t add to ctx`s
list yet, and also didn`t kfree, this maybe bring in potential
memleak.

Signed-off-by: Bernard Zhao <bern...@vivo.com>
---
 drivers/gpu/drm/msm/msm_submitqueue.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/msm_submitqueue.c 
b/drivers/gpu/drm/msm/msm_submitqueue.c
index 001fbf537440..a1d94be7883a 100644
--- a/drivers/gpu/drm/msm/msm_submitqueue.c
+++ b/drivers/gpu/drm/msm/msm_submitqueue.c
@@ -71,8 +71,10 @@ int msm_submitqueue_create(struct drm_device *drm, struct 
msm_file_private *ctx,
        queue->flags = flags;
 
        if (priv->gpu) {
-               if (prio >= priv->gpu->nr_rings)
+               if (prio >= priv->gpu->nr_rings) {
+                       kfree(queue);
                        return -EINVAL;
+               }
 
                queue->prio = prio;
        }
-- 
2.17.1