net/sock: Add sock_efree() function

Extracted from commit 62bccb8cdb69 ("net-timestamp: Make the clone operation
stand-alone from phy timestamping").

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/include/net/sock.h b/include/net/sock.h
index 1444b52..8ae4a48 100644 (file)
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1117,6 +1117,7 @@ extern struct sk_buff             *sock_rmalloc(struct sock *sk,
                                              gfp_t priority);
 extern void                    sock_wfree(struct sk_buff *skb);
 extern void                    sock_rfree(struct sk_buff *skb);
+void sock_efree(struct sk_buff *skb);
 
 extern int                     sock_setsockopt(struct socket *sock, int level,
                                                int op, char __user *optval,

diff --git a/net/core/sock.c b/net/core/sock.c
index 07c078e..54a21d4 100644 (file)
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1369,6 +1369,11 @@ void sock_rfree(struct sk_buff *skb)
 }
 EXPORT_SYMBOL(sock_rfree);
 
+void sock_efree(struct sk_buff *skb)
+{
+       sock_put(skb->sk);
+}
+EXPORT_SYMBOL(sock_efree);
 
 int sock_i_uid(struct sock *sk)
 {