Input: grip - fix crash when accessing device

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

Input: grip - fix crash when accessing device
Signed-off-by: N Dmitry Torokhov <dtor@mail.ru>
3575c341 · Dmitry Torokhov · ffc6b529 · 3575c341
隐藏空白更改
内联并排

Showing with 3 addition and 0 deletion

drivers/input/joystick/grip.c drivers/input/joystick/grip.c +3 -0

未找到文件。
--- 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]) {