block: Trivial fix for blk_integrity_rq()

d442cc44 · Martin K. Petersen <[email protected]> · 2008-07-16 16:09:06 -04:00

Fail integrity check gracefully when request does not have a bio
attached (BLOCK_PC).

Signed-off-by: Martin K. Petersen <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Commit: d442cc44c0db56e84ef6aa244a88427d2efe06cd
Parents: 8df1b049

Changes

1 files changed · +3 −0

File	Status	Add	Del	Content
include/linux/blkdev.h	modified	+3	−0	View file

include/linux/blkdev.h

View file

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 32a441b..88d6808 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -985,6 +985,9 @@ static inline int bdev_integrity_enabled(struct block_device *bdev, int rw)
 
 static inline int blk_integrity_rq(struct request *rq)
 {
+	if (rq->bio == NULL)
+		return 0;
+
 	return bio_integrity(rq->bio);
 }
 