[PATCH 4/4] rose check error on memcpy_fromiovec

[Chris Wright <chrisw@xxxxxxxx>]

Check the return value on memcpy_fromiovec().

===== net/rose/af_rose.c 1.33 vs edited =====
--- 1.33/net/rose/af_rose.c     Tue Sep  9 11:22:56 2003
+++ edited/net/rose/af_rose.c   Mon Dec  8 16:58:33 2003
@@ -1079,7 +1079,11 @@
 
        asmptr = skb->h.raw = skb_put(skb, len);
 
-       memcpy_fromiovec(asmptr, msg->msg_iov, len);
+       err = memcpy_fromiovec(asmptr, msg->msg_iov, len);
+       if (err) {
+               kfree_skb(skb);
+               return err;
+       }
 
        /*
         *      If the Q BIT Include socket option is in force, the first