From: Khalid Aziz <khalid.aziz@oracle.com>
To: tony.luck@intel.com, bp@alien8.de, tglx@linutronix.de,
mingo@redhat.com, hpa@zytor.com
Cc: x86@kernel.org, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] x86, mce: Print warning if MCE handler fails to register /dev/mcelog
Date: Tue, 09 Apr 2013 12:19:31 -0600 [thread overview]
Message-ID: <1365531571.8447.4.camel@concerto> (raw)
Print a warning if machine check handler fails to register
/dev/mcelog device.
Signed-off-by: Khalid Aziz <khalid.aziz@oracle.com>
---
arch/x86/kernel/cpu/mcheck/mce.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 7bc1263..7b4c28c 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -2412,7 +2412,8 @@ static __init int mcheck_init_device(void)
register_hotcpu_notifier(&mce_cpu_notifier);
/* register character device /dev/mcelog */
- misc_register(&mce_chrdev_device);
+ if (misc_register(&mce_chrdev_device) != 0)
+ pr_warn("Failed to register mcelog device\n");
return err;
}
--
1.7.10.4
next reply other threads:[~2013-04-09 18:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-09 18:19 Khalid Aziz [this message]
2013-04-09 18:30 ` [PATCH] x86, mce: Print warning if MCE handler fails to register /dev/mcelog Luck, Tony
2013-04-09 18:52 ` Borislav Petkov
2013-04-09 19:20 ` Khalid Aziz
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