Commit 84e9e03c authored Feb 18, 2008 by Jens Axboe

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>

parent 86b6c7a7

block/blk-map.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -143,6 +143,7 @@ int blk_rq_map_user(struct request_queue q, struct request rq,
		return 0;
		unmap_rq:
		blk_rq_unmap_user(bio);
		rq->bio = NULL;
		return ret;
		}
		EXPORT_SYMBOL(blk_rq_map_user);