Patch "drm/ttm: check the return value of kzalloc" 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/ttm: check the return value of kzalloc

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-ttm-check-the-return-value-of-kzalloc.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: Xiongwei Song <[email protected]>
Date: Tue, 2 Jan 2018 21:24:55 +0800
Subject: drm/ttm: check the return value of kzalloc

From: Xiongwei Song <[email protected]>

[ Upstream commit 19d859a7205bc59ffc38303eb25ae394f61d21dc ]

In the function ttm_page_alloc_init, kzalloc call is made for variable _manager, we need to check its return value, it may return NULL.

---
 drivers/gpu/drm/ttm/ttm_page_alloc.c |    2 ++
 1 file changed, 2 insertions(+)

@@ -818,6 +818,8 @@ int ttm_page_alloc_init(struct ttm_mem_g
 	pr_info("Initializing pool allocator\n");
 
 	_manager = kzalloc(sizeof(*_manager), GFP_KERNEL);
+	if (!_manager)
+		return -ENOMEM;
 
 	ttm_page_pool_init_locked(&_manager->wc_pool, GFP_HIGHUSER, "wc");
 

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

queue-4.4/drm-ttm-check-the-return-value-of-kzalloc.patch