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drm/msm: fix potential memleak in error branch 

[ Upstream commit 177d381963 ]

In function 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 <bernard@vivo.com>
[trivial commit msg fixup]
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Bernard Zhao 2020-06-12 09:23:49 +08:00 committed by Greg Kroah-Hartman
parent f608a77e0c
commit 5d6891a5a6
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/msm/msm_submitqueue.c
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@ -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;
}