From d442cc44c0db56e84ef6aa244a88427d2efe06cd Mon Sep 17 00:00:00 2001
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Date: Wed, 16 Jul 2008 16:09:06 -0400
Subject: [PATCH] block: Trivial fix for blk_integrity_rq()
Fail integrity check gracefully when request does not have a bio
attached (BLOCK_PC).
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
include/linux/blkdev.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 32a441b05fd5f..88d68081a0f15 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);
}
--
GitLab