linux-kernel - [PATCH 08/11] input/amijoy: Add missing platform check

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Message-Id: <1332323515-7314-8-git-send-email-geert@linux-m68k.org>
Date:	Wed, 21 Mar 2012 10:51:52 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	linux-m68k@...ts.linux-m68k.org
Cc:	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-input@...r.kernel.org
Subject: [PATCH 08/11] input/amijoy: Add missing platform check

On multi-platform kernels, the Amiga joystick driver may be initialized
when running on Amiga only. Else it may crash later.
Fortunately this driver is almost always compiled as a module (to avoid
conflicts with the mouse driver), so it needs an explicit insmod to
trigger a crash.

Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc: linux-input@...r.kernel.org
---
 drivers/input/joystick/amijoy.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/input/joystick/amijoy.c b/drivers/input/joystick/amijoy.c
index 0bc8620..3aa93bf 100644
--- a/drivers/input/joystick/amijoy.c
+++ b/drivers/input/joystick/amijoy.c
@@ -108,6 +108,9 @@ static int __init amijoy_init(void)
 	int i, j;
 	int err;
 
+	if (!MACH_IS_AMIGA)
+		return -ENODEV;
+
 	for (i = 0; i < 2; i++) {
 		if (!amijoy[i])
 			continue;
-- 
1.7.0.4

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