This is a note to let you know that I've just added the patch titled
etnaviv: fix submit error path
to the 4.13-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
etnaviv-fix-submit-error-path.patch
and it can be found in the queue-4.13 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 5a642e6bc49f59922e19ebd639e74f72753fc77b Mon Sep 17 00:00:00 2001
From: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Date: Fri, 8 Sep 2017 16:24:32 +0200
Subject: etnaviv: fix submit error path
From: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
commit 5a642e6bc49f59922e19ebd639e74f72753fc77b upstream.
If the gpu submit fails, bail out to avoid accessing a potentially
unititalized fence.
Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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) {
/*
Patches currently in stable-queue which might be from l.stach@xxxxxxxxxxxxxx are
queue-4.13/etnaviv-fix-gem-object-list-corruption.patch
queue-4.13/etnaviv-fix-submit-error-path.patch