From 5a642e6bc49f59922e19ebd639e74f72753fc77b Mon Sep 17 00:00:00 2001
From: Lucas Stach <l.stach@pengutronix.de>
Date: Fri, 8 Sep 2017 16:24:32 +0200
Subject: [PATCH] etnaviv: fix submit error path
Git-commit: 5a642e6bc49f59922e19ebd639e74f72753fc77b
Patch-mainline: v4.14-rc3
References: bsc#1051510
If the gpu submit fails, bail out to avoid accessing a potentially
unititalized fence.
Cc: stable@vger.kernel.org #4.12+
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
@@ -445,8 +445,10 @@ int etnaviv_ioctl_gem_submit(struct drm_
cmdbuf->user_size = ALIGN(args->stream_size, 8);
ret = etnaviv_gpu_submit(gpu, submit, cmdbuf);
- if (ret == 0)
- cmdbuf = NULL;
+ if (ret)
+ goto out;
+
+ cmdbuf = NULL;
if (args->flags & ETNA_SUBMIT_FENCE_FD_OUT) {
/*