linux-kernel - [tip:ras/core] x86/mce: Add a default case to the switch in __mcheck_cpu_ancient

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Date:	Sun, 1 Nov 2015 02:28:11 -0800
From:	tip-bot for Borislav Petkov <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	mingo@...nel.org, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, tony.luck@...el.com, bp@...e.de,
	hpa@...or.com, bp@...en8.de, peterz@...radead.org,
	tglx@...utronix.de
Subject: [tip:ras/core] x86/mce:
  Add a default case to the switch in __mcheck_cpu_ancient_init()

Commit-ID:  dc34bdd2367fd31744ee3ba1de1b1cc0fa2ce193
Gitweb:     http://git.kernel.org/tip/dc34bdd2367fd31744ee3ba1de1b1cc0fa2ce193
Author:     Borislav Petkov <bp@...e.de>
AuthorDate: Fri, 30 Oct 2015 13:11:38 +0100
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Sun, 1 Nov 2015 11:26:14 +0100

x86/mce: Add a default case to the switch in __mcheck_cpu_ancient_init()

Caught by building with W= which enable -Wswitch-default also.

Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Tony Luck <tony.luck@...el.com>
Link: http://lkml.kernel.org/r/1446207099-24948-3-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/kernel/cpu/mcheck/mce.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 3d631c4..c5b0d56 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1586,6 +1586,8 @@ static int __mcheck_cpu_ancient_init(struct cpuinfo_x86 *c)
 		winchip_mcheck_init(c);
 		return 1;
 		break;
+	default:
+		return 0;
 	}
 
 	return 0;
--
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