lxc: remove unused lxc_bridge_detach

src/lxc/network.c

@@ -753,8 +753,11 @@ out:
 	return err;
 }
 
-static int bridge_add_del_interface(const char *bridge,
-				    const char *ifname, int detach)
+/*
+ * There is a lxc_bridge_attach, but no need of a bridge detach
+ * as automatically done by kernel when device deleted.
+ */
+int lxc_bridge_attach(const char *bridge, const char *ifname)
 {
 	int fd, index, err;
 	struct ifreq ifr;
@@ -772,20 +775,10 @@ static int bridge_add_del_interface(const char *bridge,
 
 	strncpy(ifr.ifr_name, bridge, IFNAMSIZ);
 	ifr.ifr_ifindex = index;
-	err = ioctl(fd, detach?SIOCBRDELIF:SIOCBRADDIF, &ifr);
+	err = ioctl(fd, SIOCBRADDIF, &ifr);
 	close(fd);
 	if (err)
 		err = -errno;
 
 	return err;
 }
-
-int lxc_bridge_attach(const char *bridge, const char *ifname)
-{
-	return bridge_add_del_interface(bridge, ifname, 0);
-}
-
-int lxc_bridge_detach(const char *bridge, const char *ifname)
-{
-	return bridge_add_del_interface(bridge, ifname, 1);
-}

src/lxc/network.h

@@ -98,11 +98,6 @@ extern int lxc_ip_addr_add(int family, int ifindex, void *addr, int prefix);
  */
 extern int lxc_bridge_attach(const char *bridge, const char *ifname);
 
-/*
- * Detach an interface from the bridge
- */
-extern int lxc_bridge_detach(const char *bridge, const char *ifname);
-
 /* 
  * Create default gateway
  */