From: Dmitry Torokhov <dtor_core@ameritech.net>
Date: Thu, 2 Feb 2006 05:09:00 +0000 (-0500)
Subject: [PATCH] Input: grip - fix crash when accessing device
X-Git-Tag: v2.6.15.4~18
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1e55dc39e9c63e33b8458870dccc925d2a300f9a;p=thirdparty%2Fkernel%2Fstable.git

[PATCH] Input: grip - fix crash when accessing device

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/input/joystick/grip.c b/drivers/input/joystick/grip.c
index a936e7aedb103..330c6717c1497 100644
--- a/drivers/input/joystick/grip.c
+++ b/drivers/input/joystick/grip.c
@@ -192,6 +192,9 @@ static void grip_poll(struct gameport *gameport)
 	for (i = 0; i < 2; i++) {
 
 		dev = grip->dev[i];
+		if (!dev)
+			continue;
+
 		grip->reads++;
 
 		switch (grip->mode[i]) {