From 3ce92a2a7b03dae6b7778e2a5ff52f2042512887 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 18 May 2008 20:47:14 +0200
Subject: [PATCH] m68k: macide doesnt check for Mac

The Macintosh IDE driver (macide) doesn't check whether it's actually running
on Mac hardware, causing a crash if it isn't.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/ide/legacy/macide.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c
index 1f527bbf8d96..caa2632dd08e 100644
--- a/drivers/ide/legacy/macide.c
+++ b/drivers/ide/legacy/macide.c
@@ -95,6 +95,9 @@ static int __init macide_init(void)
 	int irq;
 	hw_regs_t hw;
 
+	if (!MACH_IS_MAC)
+		return -ENODEV;
+
 	switch (macintosh_config->ide_type) {
 	case MAC_IDE_QUADRA:
 		base = IDE_BASE;