From: Alessandro Zummo <azummo-armlinux@towertech.it>
Date: Tue, 7 Mar 2006 22:48:29 +0000 (+0000)
Subject: [ARM] 3353/1: NAS100d: protect  nas100d_power_exit() with machine_is_nas100d()
X-Git-Tag: v2.6.16-rc6~82^2
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=744bfe4c25716a7cfc5690aeab8d572b43d7c916;p=linux-2.6

[ARM] 3353/1: NAS100d: protect  nas100d_power_exit() with machine_is_nas100d()

Patch from Alessandro Zummo

nas100d_power_exit(void) gets some protection
to avoid freeing an irq when it is not appropriate to do so.

Signed-off-by: Rod Whitby <rod@whitby.id.au>
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/mach-ixp4xx/nas100d-power.c b/arch/arm/mach-ixp4xx/nas100d-power.c
index 2bec69bfa7..99d333d7eb 100644
--- a/arch/arm/mach-ixp4xx/nas100d-power.c
+++ b/arch/arm/mach-ixp4xx/nas100d-power.c
@@ -56,6 +56,9 @@ static int __init nas100d_power_init(void)
 
 static void __exit nas100d_power_exit(void)
 {
+	if (!(machine_is_nas100d()))
+		return;
+
 	free_irq(NAS100D_RB_IRQ, NULL);
 }