block: cleanup error handling in sg_io

Make sure we always clean up through the out label and just have
a single place to put the request.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig 2014-08-21 20:38:27 -05:00 • committed by Jens Axboe
commit 2cada584b2