selinux: Fix a panic in selinux_netlbl_inode_permission()

[linux-2.6-omap-h63xx.git] / security / selinux / netlabel.c

diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c
index 3f4b26647386f58d5932e8e1b78f0e57f8752bf6..350794ab9b4212d7e50b07f3c778bb42bb81aa3a 100644 (file)
--- a/security/selinux/netlabel.c
+++ b/security/selinux/netlabel.c
@@ -386,11 +386,12 @@ int selinux_netlbl_inode_permission(struct inode *inode, int mask)
        if (!S_ISSOCK(inode->i_mode) ||
            ((mask & (MAY_WRITE | MAY_APPEND)) == 0))
                return 0;
-
        sock = SOCKET_I(inode);
        sk = sock->sk;
+       if (sk == NULL)
+               return 0;
        sksec = sk->sk_security;
-       if (sksec->nlbl_state != NLBL_REQUIRE)
+       if (sksec == NULL || sksec->nlbl_state != NLBL_REQUIRE)
                return 0;
 
        local_bh_disable();