X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2Fkfifo.c;h=d79b9d222065bd9467e4e091ad850a2ce4d93c94;hb=794e96e8ecc1eeff56f4ede168fd0b8f4c5a00b9;hp=7b7f83027b7b748a4a1497d7804d4b54077d0790;hpb=7fb476c231bbc551ede5b4afb189d9ca5ab7406d;p=firefly-linux-kernel-4.4.55.git

diff --git a/lib/kfifo.c b/lib/kfifo.c
index 7b7f83027b7b..d79b9d222065 100644
--- a/lib/kfifo.c
+++ b/lib/kfifo.c
@@ -215,7 +215,7 @@ static unsigned long kfifo_copy_from_user(struct __kfifo *fifo,
 	 * incrementing the fifo->in index counter
 	 */
 	smp_wmb();
-	*copied = len - ret;
+	*copied = len - ret * esize;
 	/* return the number of elements which are not copied */
 	return ret;
 }
@@ -275,7 +275,7 @@ static unsigned long kfifo_copy_to_user(struct __kfifo *fifo, void __user *to,
 	 * incrementing the fifo->out index counter
 	 */
 	smp_wmb();
-	*copied = len - ret;
+	*copied = len - ret * esize;
 	/* return the number of elements which are not copied */
 	return ret;
 }