Patch "etnaviv: fix submit error path" has been added to the 4.13-stable tree

Patch "etnaviv: fix submit error path" has been added to the 4.13-stable tree

[gregkh]

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@vger.kernel.org> know about it.


>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: etnaviv: fix submit error path

From: Lucas Stach <l.stach@pengutronix.de>

commit 5a642e6bc49f59922e19ebd639e74f72753fc77b upstream.

If the gpu submit fails, bail out to avoid accessing a potentially
unititalized fence.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 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@pengutronix.de are

queue-4.13/etnaviv-fix-gem-object-list-corruption.patch
queue-4.13/etnaviv-fix-submit-error-path.patch