diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index 6bb0649c028c444de8a0889ba4c11f87193e8427..afb41c2e528104f4cf244a06c28d274aa263d246 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -542,6 +542,8 @@ static int xsk_setsockopt(struct socket *sock, int level, int optname,
 		struct xsk_queue **q;
 		int entries;
 
+		if (optlen < sizeof(entries))
+			return -EINVAL;
 		if (copy_from_user(&entries, optval, sizeof(entries)))
 			return -EFAULT;