TOMOYO: Print URL information before panic().

Configuration files for TOMOYO 2.3 are not compatible with TOMOYO 2.2.
But current panic() message is too unfriendly and is confusing users.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: James Morris <jmorris@namei.org>

diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index e0a1059aaf3a00c25298ad76a8e89e78920580af..7556315c197823e0baedcf15d0f0930c74345429 100644 (file)
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -2053,13 +2053,22 @@ void tomoyo_check_profile(void)
                const u8 profile = domain->profile;
                if (tomoyo_profile_ptr[profile])
                        continue;
+               printk(KERN_ERR "You need to define profile %u before using it.\n",
+                      profile);
+               printk(KERN_ERR "Please see http://tomoyo.sourceforge.jp/2.3/ "
+                      "for more information.\n");
                panic("Profile %u (used by '%s') not defined.\n",
                      profile, domain->domainname->name);
        }
        tomoyo_read_unlock(idx);
-       if (tomoyo_profile_version != 20090903)
+       if (tomoyo_profile_version != 20090903) {
+               printk(KERN_ERR "You need to install userland programs for "
+                      "TOMOYO 2.3 and initialize policy configuration.\n");
+               printk(KERN_ERR "Please see http://tomoyo.sourceforge.jp/2.3/ "
+                      "for more information.\n");
                panic("Profile version %u is not supported.\n",
                      tomoyo_profile_version);
+       }
        printk(KERN_INFO "TOMOYO: 2.3.0\n");
        printk(KERN_INFO "Mandatory Access Control activated.\n");
 }