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etnaviv: fix submit error path 

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>
This commit is contained in:
Lucas Stach 2017-09-08 16:24:32 +02:00
parent 569dbb88e8
commit 5a642e6bc4
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
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@ -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) {
/*