diff options
| author | Javier Gonzalez <javier@javigon.com> | 2016-01-12 07:49:17 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-15 08:27:40 +0200 |
| commit | d3f89f3a91dfa4758fdd6e98b780095d2de66943 (patch) | |
| tree | 99d820366dd2ee522bcb2f87bfdb3579dada8f9c /drivers/lightnvm | |
| parent | 15de5f8f3c5d1ea982a4aa270fc10cd78c6682a0 (diff) | |
lightnvm: add check after mempool allocation
[ Upstream commit 3bfbc6adbc5031e8a5907baa5beb27b41637742a ]
The mempool allocation might fail. Make sure to return error when it
does, instead of causing a kernel panic.
Signed-off-by: Javier Gonzalez <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/lightnvm')
| -rw-r--r-- | drivers/lightnvm/rrpc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index a1e7488c1f3e..f4bc98687d7f 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) { |