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| author | David S. Miller <davem@davemloft.net> | 2008-06-14 07:52:39 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-06-14 07:52:39 +0400 |
| commit | 4ae127d1b6c71f9240dd4245f240e6dd8fc98014 (patch) | |
| tree | b7aa27b3e0c655f4613fe2146cb57d7f69e421f6 /drivers/net/pppol2tp.c | |
| parent | 875ec4333b99144e2589e900a0bcd2c25c757b27 (diff) | |
| parent | 7775c9753b94fe429dc4323360d6502c95e0dd6e (diff) | |
| download | linux-4ae127d1b6c71f9240dd4245f240e6dd8fc98014.tar.xz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/smc911x.c
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; |