Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=84e9e03c55c2456799ab19f1d577e72f721fdd39
Commit: 84e9e03c55c2456799ab19f1d577e72f721fdd39
Parent: 86b6c7a7f78feca58d2d8615e53aee4d59ab9dc6
Author: Jens Axboe <[EMAIL PROTECTED]>
AuthorDate: Mon Feb 18 13:51:56 2008 +0100
Committer: Jens Axboe <[EMAIL PROTECTED]>
CommitDate: Tue Feb 19 10:04:00 2008 +0100
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 <[EMAIL PROTECTED]>
---
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 955d75c..bc5ce60 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);
-
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