From: Dmitry Torokhov <dtor_core@ameritech.net>
Date: Mon, 30 Jan 2006 02:51:16 +0000 (-0500)
Subject: Input: grip - fix crash when accessing device
X-Git-Tag: v2.6.16-rc2~171^2~12
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3575c3410071dc778d2d9c6002493a5dce73ec0b;p=linux-2.6

Input: grip - fix crash when accessing device

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---

diff --git a/drivers/input/joystick/grip.c b/drivers/input/joystick/grip.c
index a936e7aedb..330c6717c1 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]) {