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| author | Jens Axboe <jens.axboe@oracle.com> | 2008-02-18 13:51:56 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-02-19 10:04:00 +0100 |
| commit | 84e9e03c55c2456799ab19f1d577e72f721fdd39 (patch) | |
| tree | e268a42aa43b6dae3c4f4c8d5c4b2e24d6e2d65a | |
| parent | 86b6c7a7f78feca58d2d8615e53aee4d59ab9dc6 (diff) | |
| download | lwn-84e9e03c55c2456799ab19f1d577e72f721fdd39.tar.gz lwn-84e9e03c55c2456799ab19f1d577e72f721fdd39.zip | |
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>
| -rw-r--r-- | block/blk-map.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/block/blk-map.c b/block/blk-map.c index 955d75c1a58f..bc5ce60691c3 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -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); |