diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-06-16 14:53:25 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-06-16 14:53:25 +1000 |
| commit | a9653cf540d407fb75deb3db65a1be6c81d53ee0 (patch) | |
| tree | 075fb79746f1d74443c9a9062e73c26a6266b05c /drivers/net/pppol2tp.c | |
| parent | e80ac32767d0f781ac195c472d500a7451d3729a (diff) | |
| parent | 066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff) | |
Merge branch 'linux-2.6' into merge
Diffstat (limited to 'drivers/net/pppol2tp.c')
| -rw-r--r-- | drivers/net/pppol2tp.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c index 70cfdb46aa27..f9298827a76c 100644 --- a/drivers/net/pppol2tp.c +++ b/drivers/net/pppol2tp.c @@ -783,14 +783,18 @@ static int pppol2tp_recvmsg(struct kiocb *iocb, struct socket *sock, err = 0; skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT, flags & MSG_DONTWAIT, &err); - if (skb) { - err = memcpy_toiovec(msg->msg_iov, (unsigned char *) skb->data, - skb->len); - if (err < 0) - goto do_skb_free; - err = skb->len; - } -do_skb_free: + if (!skb) + goto end; + + if (len > skb->len) + len = skb->len; + else if (len < skb->len) + msg->msg_flags |= MSG_TRUNC; + + err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, len); + if (likely(err == 0)) + err = len; + kfree_skb(skb); end: return err; |