diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index de53024..1d723de 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1209,7 +1209,8 @@
 		return -ENOTCONN;
 	while ((skb = tcp_recv_skb(sk, seq, &offset)) != NULL) {
 		if (offset < skb->len) {
-			size_t used, len;
+			int used;
+			size_t len;
 
 			len = skb->len - offset;
 			/* Stop reading if we hit a patch of urgent data */