[NETROM]: Check error return from memcpy_fromiovec()

fd038f98 · Chris Wright · David S. Miller · 9fa8ebb4 · fd038f98
Commit fd038f98 authored Jan 19, 2004 by Chris Wright Committed by David S. Miller Jan 19, 2004
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net/netrom/af_netrom.c net/netrom/af_netrom.c +6 -1

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--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1101,7 +1101,12 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock,
 	SOCK_DEBUG(sk, "NET/ROM: Appending user data\n");

 	/* User data follows immediately after the NET/ROM transport header */
-	memcpy_fromiovec(asmptr, msg->msg_iov, len);
+	if (memcpy_fromiovec(asmptr, msg->msg_iov, len)) {
+		kfree_skb(skb);
+		err = -EFAULT;
+		goto out;
+	}
+
 	SOCK_DEBUG(sk, "NET/ROM: Transmitting buffer\n");

 	if (sk->sk_state != TCP_ESTABLISHED) {