Patch "drm/nouveau/ltc: protect clearing of comptags with mutex" has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

drm/nouveau/ltc: protect clearing of comptags with mutex

to the 4.4-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:
drm-nouveau-ltc-protect-clearing-of-comptags-with-mutex.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Ben Skeggs <[email protected]>
Date: Tue, 13 Dec 2016 09:29:55 +1000
Subject: drm/nouveau/ltc: protect clearing of comptags with mutex

From: Ben Skeggs <[email protected]>

commit f4e65efc88b64c1dbca275d42a188edccedb56c6 upstream.

---
 drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c |    2 ++
 1 file changed, 2 insertions(+)

@@ -47,8 +47,10 @@ nvkm_ltc_tags_clear(struct nvkm_ltc *ltc
 
 	BUG_ON((first > limit) || (limit >= ltc->num_tags));
 
+	mutex_lock(&ltc->subdev.mutex);
 	ltc->func->cbc_clear(ltc, first, limit);
 	ltc->func->cbc_wait(ltc);
+	mutex_unlock(&ltc->subdev.mutex);
 }
 
 int

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/drm-nouveau-bios-require-checksum-to-match-for-fast-acpi-shadow-method.patch queue-4.4/drm-nouveau-kms-lvds-panel-strap-moved-again-on-maxwell.patch queue-4.4/drm-nouveau-ltc-protect-clearing-of-comptags-with-mutex.patch queue-4.4/drm-nouveau-fifo-gf100-protect-channel-preempt-with-subdev-mutex.patch queue-4.4/drm-nouveau-i2c-gk110b-gm10x-use-the-correct-implementation.patch