From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934600Ab3DISUc (ORCPT ); Tue, 9 Apr 2013 14:20:32 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:33258 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761186Ab3DISUb (ORCPT ); Tue, 9 Apr 2013 14:20:31 -0400 Message-ID: <1365531571.8447.4.camel@concerto> Subject: [PATCH] x86, mce: Print warning if MCE handler fails to register /dev/mcelog From: Khalid Aziz 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 Date: Tue, 09 Apr 2013 12:19:31 -0600 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.6.2-0ubuntu0.1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Source-IP: acsinet21.oracle.com [141.146.126.237] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Print a warning if machine check handler fails to register /dev/mcelog device. Signed-off-by: Khalid Aziz --- 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