[PATCH 1/4] ax25 check error on memcpy_fromiovec (resend)
From: Chris Wright <hidden>
Date: 2004-01-16 22:25:02
Check the return value on memcpy_fromiovec(). net/ax25/af_ax25.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletion(-) ===== net/ax25/af_ax25.c 1.36 vs edited =====
--- 1.36/net/ax25/af_ax25.c Fri Jan 9 01:53:04 2004
+++ edited/net/ax25/af_ax25.c Fri Jan 16 14:13:54 2004@@ -1526,7 +1526,12 @@ SOCK_DEBUG(sk, "AX.25: Appending user data\n"); /* User data follows immediately after the AX.25 data */ - memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len); + if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) { + err = -EFAULT; + kfree_skb(skb); + goto out; + } + skb->nh.raw = skb->data; /* Add the PID if one is not supplied by the user in the skb */