From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
We'd occasionally attempt to generate protection information for flushes
and other requests with a zero payload. Make sure we only attempt to
enable integrity for reads and writes.
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
---
fs/bio-integrity.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c
index 183f1ae74675..812920dbf5f9 100644
--- a/fs/bio-integrity.c
+++ b/fs/bio-integrity.c
@@ -182,6 +182,9 @@ static int bdev_integrity_enabled(struct block_device *bdev, int rw)
*/
int bio_integrity_enabled(struct bio *bio)
{
+ if (!bio_is_rw(bio))
+ return 0;
+
/* Already protected? */
if (bio_integrity(bio))
return 0;
--
1.8.3.1
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