Commit 84e9e03c authored by Jens Axboe's avatar 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: default avatarJens Axboe <jens.axboe@oracle.com>
parent 86b6c7a7
...@@ -143,6 +143,7 @@ int blk_rq_map_user(struct request_queue *q, struct request *rq, ...@@ -143,6 +143,7 @@ int blk_rq_map_user(struct request_queue *q, struct request *rq,
return 0; return 0;
unmap_rq: unmap_rq:
blk_rq_unmap_user(bio); blk_rq_unmap_user(bio);
rq->bio = NULL;
return ret; return ret;
} }
EXPORT_SYMBOL(blk_rq_map_user); EXPORT_SYMBOL(blk_rq_map_user);
......
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