Merge branch 'for-3.17' of git://linux-nfs.org/~bfields/linux

[firefly-linux-kernel-4.4.55.git] / security / selinux / hooks.c

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 83d06db34d0358df289f8337b37f200d800b6c41..b0e940497e23bb47a0460e57a65952f2b4dc7e03 100644 (file)
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -161,6 +161,17 @@ static int selinux_peerlbl_enabled(void)
        return (selinux_policycap_alwaysnetwork || netlbl_enabled() || selinux_xfrm_enabled());
 }
 
+static int selinux_netcache_avc_callback(u32 event)
+{
+       if (event == AVC_CALLBACK_RESET) {
+               sel_netif_flush();
+               sel_netnode_flush();
+               sel_netport_flush();
+               synchronize_net();
+       }
+       return 0;
+}
+
 /*
  * initialise the security for the init task
  */
@@ -5993,6 +6004,9 @@ static __init int selinux_init(void)
        if (register_security(&selinux_ops))
                panic("SELinux: Unable to register with kernel.\n");
 
+       if (avc_add_callback(selinux_netcache_avc_callback, AVC_CALLBACK_RESET))
+               panic("SELinux: Unable to register AVC netcache callback\n");
+
        if (selinux_enforcing)
                printk(KERN_DEBUG "SELinux:  Starting in enforcing mode\n");
        else