diff options
| author |   Javier Gonzalez <javier@javigon.com> | 2016-01-12 07:49:17 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2016-01-12 08:21:16 -0700 |
| commit | 3bfbc6adbc5031e8a5907baa5beb27b41637742a (patch) | |
| tree | d42026273ff620c22cd85e18e07069f05578c4a7 /drivers/lightnvm | |
| parent | lightnvm: fix incorrect nr_free_blocks stat (diff) | |
| download | linux-dev-3bfbc6adbc5031e8a5907baa5beb27b41637742a.tar.xz linux-dev-3bfbc6adbc5031e8a5907baa5beb27b41637742a.zip | |
lightnvm: add check after mempool allocation
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>
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) { |