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authorDavid S. Miller <davem@davemloft.net>2008-06-13 20:52:39 -0700
committerDavid S. Miller <davem@davemloft.net>2008-06-13 20:52:39 -0700
commit4ae127d1b6c71f9240dd4245f240e6dd8fc98014 (patch)
treeb7aa27b3e0c655f4613fe2146cb57d7f69e421f6 /drivers/net/pppol2tp.c
parent875ec4333b99144e2589e900a0bcd2c25c757b27 (diff)
parent7775c9753b94fe429dc4323360d6502c95e0dd6e (diff)
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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.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index 70cfdb46aa2..f9298827a76 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;