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From: Javier Gonzalez <javier@javigon.com>
To: m@bjorling.me
Cc: javier@javigon.com, linux-kernel@vger.kernel.org,
	linux-block@vger.kernel.org,
	Javier Gonzalez <javier@cnexlabs.com>
Subject: [PATCH] lightnvm: add check after mempool allocation
Date: Tue, 15 Dec 2015 13:06:35 +0100	[thread overview]
Message-ID: <1450181195-24702-1-git-send-email-javier@javigon.com> (raw)

Add missing check after mempool allocation.

Signed-off-by: Javier Gonzalez <javier@cnexlabs.com>
---
 drivers/lightnvm/rrpc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index a1e7488..f4bc986 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -287,6 +287,8 @@ static int rrpc_move_valid_pages(struct rrpc *rrpc, struct rrpc_block *rblk)
 	}
 
 	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) {
-- 
2.1.4


             reply	other threads:[~2015-12-15 12:07 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-15 12:06 Javier Gonzalez [this message]
2015-12-15 12:11 ` [PATCH] lightnvm: add check after mempool allocation Matias Bjørling

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