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authorTakashi Iwai <tiwai@suse.de>2015-12-23 08:33:34 +0100
committerTakashi Iwai <tiwai@suse.de>2015-12-23 08:33:34 +0100
commit59c8231089be96165735585694a801ae58ec6c95 (patch)
tree41bd60a9aec5df20e07a81fbb526c8bc05e997fc /include/net/inet_sock.h
parentde5126cc3c0b0f291d08fa591dcdf237bc595a56 (diff)
parent0fb0b822d157325b66c503d23332f64899bfb828 (diff)
downloadlinux-59c8231089be96165735585694a801ae58ec6c95.tar.bz2
Merge branch 'for-linus' into for-next
Conflicts: drivers/gpu/drm/i915/intel_pm.c
Diffstat (limited to 'include/net/inet_sock.h')
-rw-r--r--include/net/inet_sock.h27
1 files changed, 23 insertions, 4 deletions
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 2134e6d815bc..625bdf95d673 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -210,18 +210,37 @@ struct inet_sock {
#define IP_CMSG_ORIGDSTADDR BIT(6)
#define IP_CMSG_CHECKSUM BIT(7)
-/* SYNACK messages might be attached to request sockets.
+/**
+ * sk_to_full_sk - Access to a full socket
+ * @sk: pointer to a socket
+ *
+ * SYNACK messages might be attached to request sockets.
* Some places want to reach the listener in this case.
*/
-static inline struct sock *skb_to_full_sk(const struct sk_buff *skb)
+static inline struct sock *sk_to_full_sk(struct sock *sk)
{
- struct sock *sk = skb->sk;
-
+#ifdef CONFIG_INET
if (sk && sk->sk_state == TCP_NEW_SYN_RECV)
sk = inet_reqsk(sk)->rsk_listener;
+#endif
+ return sk;
+}
+
+/* sk_to_full_sk() variant with a const argument */
+static inline const struct sock *sk_const_to_full_sk(const struct sock *sk)
+{
+#ifdef CONFIG_INET
+ if (sk && sk->sk_state == TCP_NEW_SYN_RECV)
+ sk = ((const struct request_sock *)sk)->rsk_listener;
+#endif
return sk;
}
+static inline struct sock *skb_to_full_sk(const struct sk_buff *skb)
+{
+ return sk_to_full_sk(skb->sk);
+}
+
static inline struct inet_sock *inet_sk(const struct sock *sk)
{
return (struct inet_sock *)sk;