2 files changed, 11 insertions, 0 deletions

diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h
index 72db2af902a8..c1da539f5e28 100644
--- a/include/linux/atmdev.h
+++ b/include/linux/atmdev.h
@@ -99,6 +99,7 @@ struct atm_vcc {
         struct atm_dev  *dev;           /* device back pointer */
         struct atm_qos  qos;            /* QOS */
         struct atm_sap  sap;            /* SAP */
+        void (*release_cb)(struct atm_vcc *vcc); /* release_sock callback */
         void (*push)(struct atm_vcc *vcc,struct sk_buff *skb);
         void (*pop)(struct atm_vcc *vcc,struct sk_buff *skb); /* optional */
         int (*push_oam)(struct atm_vcc *vcc,void *cell);
diff --git a/net/atm/common.c b/net/atm/common.c
index 24216642d696..806fc0a40051 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -126,10 +126,19 @@ static void vcc_write_space(struct sock *sk)
         rcu_read_unlock();
 }
 
+static void vcc_release_cb(struct sock *sk)
+{
+        struct atm_vcc *vcc = atm_sk(sk);
+
+        if (vcc->release_cb)
+                vcc->release_cb(vcc);
+}
+
 static struct proto vcc_proto = {
         .name     = "VCC",
         .owner    = THIS_MODULE,
         .obj_size = sizeof(struct atm_vcc),
+        .release_cb = vcc_release_cb,
 };
 
 int vcc_create(struct net *net, struct socket *sock, int protocol, int family)
@@ -158,6 +167,7 @@ int vcc_create(struct net *net, struct socket *sock, int protocol, int family)
         vcc->pop = NULL;
         vcc->owner = NULL;
         vcc->push_oam = NULL;
+        vcc->release_cb = NULL;
         vcc->vpi = vcc->vci = 0; /* no VCI/VPI yet */
         vcc->atm_options = vcc->aal_options = 0;
         sk->sk_destruct = vcc_sock_destruct;