diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 0fd081bd2a2f5d3fb4ed18fdcb7a1371cf9f5627..fcef70602b278b48ffd74e97f10d2a57b6968cc3 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -3271,7 +3271,7 @@ ssize_t cifs_user_readv(struct kiocb *iocb, struct iov_iter *to)
 	if (!is_sync_kiocb(iocb))
 		ctx->iocb = iocb;
 
-	if (to->type & ITER_IOVEC)
+	if (to->type == ITER_IOVEC)
 		ctx->should_dirty = true;
 
 	rc = setup_aio_ctx_iter(ctx, to, READ);