block: make blk_rq_map_user() clear ->bio if it unmaps it
commit84e9e03c55c2456799ab19f1d577e72f721fdd39
authorJens Axboe <jens.axboe@oracle.com>
Mon, 18 Feb 2008 12:51:56 +0000 (18 13:51 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Tue, 19 Feb 2008 09:04:00 +0000 (19 10:04 +0100)
treee268a42aa43b6dae3c4f4c8d5c4b2e24d6e2d65a
parent86b6c7a7f78feca58d2d8615e53aee4d59ab9dc6
block: make blk_rq_map_user() clear ->bio if it unmaps it

That way the interface is symmetric, and calling blk_rq_unmap_user()
on the request wont oops.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
block/blk-map.c