Commit d3f89f3a authored by Javier Gonzalez's avatar Javier Gonzalez Committed by Greg Kroah-Hartman

lightnvm: add check after mempool allocation

[ Upstream commit 3bfbc6ad ]

The mempool allocation might fail. Make sure to return error when it
does, instead of causing a kernel panic.
Signed-off-by: default avatarJavier Gonzalez <javier@cnexlabs.com>
Signed-off-by: default avatarMatias Bjørling <m@bjorling.me>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
Signed-off-by: default avatarSasha Levin <alexander.levin@verizon.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 15de5f8f
......@@ -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) {
......
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