lightnvm: put bio before return

commit 16c6d048d7b74249a4387700887e8adb13028866 upstream.

The bio is not returned if the data page cannot be allocated.

Signed-off-by: Wenwei Tao <ww.tao0320@gmail.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
Cc: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index a9859489acf6c46ce9f88f26bb6db616ad5bf2bf..596347f345db83c34be61aa8fea96e21142071ac 100644 (file)
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -287,8 +287,10 @@ static int rrpc_move_valid_pages(struct rrpc *rrpc, struct rrpc_block *rblk)
        }
 
        page = mempool_alloc(rrpc->page_pool, GFP_NOIO);
-       if (!page)
+       if (!page) {
+               bio_put(bio);
                return -ENOMEM;
+       }
 
        while ((slot = find_first_zero_bit(rblk->invalid_pages,
                                            nr_pgs_per_blk)) < nr_pgs_per_blk) {