linux-kernel - [ 28/78] m68k/mac: Add missing platform check before registering platform devices

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Message-Id: <20120411231022.978605039@linuxfoundation.org>
Date:	Wed, 11 Apr 2012 16:10:46 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [ 28/78] m68k/mac: Add missing platform check before registering platform devices

3.3-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Geert Uytterhoeven <geert@...ux-m68k.org>

commit 6cfeba53911d6d2f17ebbd1246893557d5ff5aeb upstream.

On multi-platform kernels, the Mac platform devices should be registered
when running on Mac only. Else it may crash later.

Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/m68k/mac/config.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -981,6 +981,9 @@ int __init mac_platform_init(void)
 {
 	u8 *swim_base;
 
+	if (!MACH_IS_MAC)
+		return -ENODEV;
+
 	/*
 	 * Serial devices
 	 */


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