pptp: fix skb leak in pptp_xmit()

In case we cant transmit skb, we must free it

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Dmitry Kozlov <xeb@mail.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/pptp.c b/drivers/net/pptp.c
index eae542a7e987..9c0403d0107c 100644
--- a/drivers/net/pptp.c
+++ b/drivers/net/pptp.c
@@ -285,8 +285,10 @@ static int pptp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
         ip_send_check(iph);
 
         ip_local_out(skb);
+        return 1;
 
 tx_error:
+        kfree_skb(skb);
         return 1;
 }