[PATCH] lightnvm: add check after mempool allocation

Javier Gonzalez
2015-12-15T12:07:07Z

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