[PATCH 3/4] netrom check error on memcpy_fromiovec (resend)
From: Chris Wright <hidden>
Date: 2004-01-16 22:27:23
Check the return value on memcpy_fromiovec(). net/netrom/af_netrom.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletion(-) ===== net/netrom/af_netrom.c 1.43 vs edited =====
--- 1.43/net/netrom/af_netrom.c Fri Jan 9 01:56:08 2004
+++ edited/net/netrom/af_netrom.c Fri Jan 16 14:17:01 2004@@ -1101,7 +1101,12 @@ 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) {