tree cdcdc97326e0b259efcb0f1b9bf559a523f985f4
parent 3a83f4677539bce8eaa2bca9ee9c20e172d7ab04
author Ming Lei <tom.leiming@gmail.com> 1478865930 +0800
committer Jens Axboe <axboe@fb.com> 1479830275 -0700

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>