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From: Lucas Stach <l.stach@pengutronix.de>
To: dri-devel@lists.freedesktop.org
Cc: etnaviv@lists.freedesktop.org, kernel@pengutronix.de,
	Russell King <linux+etnaviv@armlinux.org.uk>
Subject: [PATCH 1/2] etnaviv: fix submit error path
Date: Wed, 13 Sep 2017 15:08:19 +0200	[thread overview]
Message-ID: <20170913130820.9621-1-l.stach@pengutronix.de> (raw)

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>
---
 drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
index 6463fc2c736f..b95362186f9c 100644
--- 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_device *dev, void *data,
 	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) {
 		/*
-- 
2.11.0

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             reply	other threads:[~2017-09-13 13:08 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-13 13:08 Lucas Stach [this message]
2017-09-13 13:08 ` [PATCH 2/2] etnaviv: fix gem object list corruption Lucas Stach

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