diff --git a/fs/cifsd/auth.c b/fs/cifsd/auth.c
index 9f957c8c123c..9af1b334be82 100644
--- a/fs/cifsd/auth.c
+++ b/fs/cifsd/auth.c
@@ -1207,7 +1207,7 @@ static struct scatterlist *ksmbd_init_sg(struct kvec *iov, unsigned int nvec,
 			for (j = 0; j < nr_entries[i]; j++) {
 				unsigned int bytes = PAGE_SIZE - offset;
 
-				if (len <= 0)
+				if (!len)
 					break;
 
 				if (bytes > len)