Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3bfbc6ad authored by Javier Gonzalez's avatar Javier Gonzalez Committed by Jens Axboe
Browse files

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: default avatarJavier Gonzalez <javier@cnexlabs.com>
Signed-off-by: default avatarMatias Bjørling <m@bjorling.me>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent bdded155

drivers/lightnvm/rrpc.c

+2 −0
Original line number Diff line number Diff line
@@ -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) {