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Subject[PATCH] block: Trivial fix for blk_integrity_rq()
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Fail integrity check gracefully when request does not have a bio
attached (BLOCK_PC).

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

---
PS. Jens is out for a couple of weeks. Hence the direct submission.


diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -985,6 +985,9 @@ static inline int bdev_integrity_enabled

static inline int blk_integrity_rq(struct request *rq)
{
+ if (rq->bio == NULL)
+ return 0;
+
return bio_integrity(rq->bio);
}


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