diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c
index b355b98..1c2ce0c 100644
--- a/fs/bio-integrity.c
+++ b/fs/bio-integrity.c
@@ -182,6 +182,9 @@
  */
 int bio_integrity_enabled(struct bio *bio)
 {
+	if (!bio_is_rw(bio))
+		return 0;
+
 	/* Already protected? */
 	if (bio_integrity(bio))
 		return 0;