block: drbd: remove impossible failure handling
authorMing Lei <tom.leiming@gmail.com>
Fri, 11 Nov 2016 12:05:30 +0000 (20:05 +0800)
committerJens Axboe <axboe@fb.com>
Tue, 22 Nov 2016 15:57:55 +0000 (08:57 -0700)
commit06efffda51d9785ea765b42ad25bd65405facf12
treecdcdc97326e0b259efcb0f1b9bf559a523f985f4
parent3a83f4677539bce8eaa2bca9ee9c20e172d7ab04
block: drbd: remove impossible failure handling

For a non-cloned bio, bio_add_page() only returns failure when
the io vec table is full, but in that case, bio->bi_vcnt can't
be zero at all.

So remove the impossible failure handling.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
drivers/block/drbd/drbd_receiver.c