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authorDavid S. Miller <davem@davemloft.net>2010-04-04 00:49:14 +0200
committerDavid S. Miller <davem@davemloft.net>2010-04-04 00:49:14 +0200
commit87e8b821ed8db3dab03d96cd542e29666bf210aa (patch)
tree0027060473aafbbb125655ba027319c8a1a665fc /drivers/net/pppol2tp.c
parentsparc64: Fix array size reported by vmemmap_populate() (diff)
parentMerge master.kernel.org:/home/rmk/linux-2.6-arm (diff)
downloadlinux-87e8b821ed8db3dab03d96cd542e29666bf210aa.tar.xz
linux-87e8b821ed8db3dab03d96cd542e29666bf210aa.zip
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/net/pppol2tp.c')
-rw-r--r--drivers/net/pppol2tp.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index 9fbb2eba9a06..449a9825200d 100644
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -756,6 +756,7 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb)
/* Try to dequeue as many skbs from reorder_q as we can. */
pppol2tp_recv_dequeue(session);
+ sock_put(sock);
return 0;
@@ -772,6 +773,7 @@ discard_bad_csum:
UDP_INC_STATS_USER(&init_net, UDP_MIB_INERRORS, 0);
tunnel->stats.rx_errors++;
kfree_skb(skb);
+ sock_put(sock);
return 0;
@@ -1180,7 +1182,8 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
/* Calculate UDP checksum if configured to do so */
if (sk_tun->sk_no_check == UDP_CSUM_NOXMIT)
skb->ip_summed = CHECKSUM_NONE;
- else if (!(skb_dst(skb)->dev->features & NETIF_F_V4_CSUM)) {
+ else if ((skb_dst(skb) && skb_dst(skb)->dev) &&
+ (!(skb_dst(skb)->dev->features & NETIF_F_V4_CSUM))) {
skb->ip_summed = CHECKSUM_COMPLETE;
csum = skb_checksum(skb, 0, udp_len, 0);
uh->check = csum_tcpudp_magic(inet->inet_saddr,
@@ -1661,6 +1664,7 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr,
if (tunnel_sock == NULL)
goto end;
+ sock_hold(tunnel_sock);
tunnel = tunnel_sock->sk_user_data;
} else {
tunnel = pppol2tp_tunnel_find(sock_net(sk), sp->pppol2tp.s_tunnel);