Patch "[PATCH 029/135] lightnvm: add check after mempool allocation" 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

[PATCH 029/135] lightnvm: add check after mempool allocation

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:
0029-lightnvm-add-check-after-mempool-allocation.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: Javier Gonzalez <[email protected]>
Date: Tue, 12 Jan 2016 07:49:17 +0100
Subject: [PATCH 029/135] lightnvm: add check after mempool allocation
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[ Upstream commit 3bfbc6adbc5031e8a5907baa5beb27b41637742a ]

The mempool allocation might fail. Make sure to return error when it does, instead of causing a kernel panic.

---
 drivers/lightnvm/rrpc.c |    2 ++
 1 file changed, 2 insertions(+)

@@ -287,6 +287,8 @@ static int rrpc_move_valid_pages(struct
 	}
 
 	page = mempool_alloc(rrpc->page_pool, GFP_NOIO);
+	if (!page)
+		return -ENOMEM;
 
 	while ((slot = find_first_zero_bit(rblk->invalid_pages,
 					    nr_pgs_per_blk)) < nr_pgs_per_blk) {

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

queue-4.4/0029-lightnvm-add-check-after-mempool-allocation.patch