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| author | Eric Dumazet <edumazet@google.com> | 2015-11-08 10:54:08 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-11-08 20:56:38 -0500 |
| commit | 8827d90e29e664aa959817467a3da72041ca2269 (patch) | |
| tree | b93d7f1df7eeb6411f300f9b94e1737f96ff350e | |
| parent | 54abc686c2d111e98228943a7e1e51cc256e35d9 (diff) | |
| download | linux-stable-8827d90e29e664aa959817467a3da72041ca2269.tar.gz linux-stable-8827d90e29e664aa959817467a3da72041ca2269.tar.bz2 linux-stable-8827d90e29e664aa959817467a3da72041ca2269.zip | |
smack: use skb_to_full_sk() helper
This module wants to access sk->sk_security, which is not
available for request sockets.
Fixes: ca6fb0651883 ("tcp: attach SYNACK messages to request sockets instead of listener")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | security/smack/smack_netfilter.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/security/smack/smack_netfilter.c b/security/smack/smack_netfilter.c index 6d1706c9777e..aa6bf1b22ec5 100644 --- a/security/smack/smack_netfilter.c +++ b/security/smack/smack_netfilter.c @@ -17,6 +17,7 @@ #include <linux/netfilter_ipv4.h> #include <linux/netfilter_ipv6.h> #include <linux/netdevice.h> +#include <net/inet_sock.h> #include "smack.h" #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) @@ -25,11 +26,12 @@ static unsigned int smack_ipv6_output(void *priv, struct sk_buff *skb, const struct nf_hook_state *state) { + struct sock *sk = skb_to_full_sk(skb); struct socket_smack *ssp; struct smack_known *skp; - if (skb && skb->sk && skb->sk->sk_security) { - ssp = skb->sk->sk_security; + if (sk && sk->sk_security) { + ssp = sk->sk_security; skp = ssp->smk_out; skb->secmark = skp->smk_secid; } @@ -42,11 +44,12 @@ static unsigned int smack_ipv4_output(void *priv, struct sk_buff *skb, const struct nf_hook_state *state) { + struct sock *sk = skb_to_full_sk(skb); struct socket_smack *ssp; struct smack_known *skp; - if (skb && skb->sk && skb->sk->sk_security) { - ssp = skb->sk->sk_security; + if (sk && sk->sk_security) { + ssp = sk->sk_security; skp = ssp->smk_out; skb->secmark = skp->smk_secid; } |