فهرست منبع

Input: force feedback - make sure effect is present before playing

Make sure that requested effect id is not out of range for the
device and that effect is present before requesting device to
play it.

Reported-by: Jan Kratochvil <honza@jikos.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Dmitry Torokhov 18 سال پیش
والد
کامیت
dec3eb01c2
1فایلهای تغییر یافته به همراه2 افزوده شده و 1 حذف شده
  1. 2 1
      drivers/input/ff-core.c

+ 2 - 1
drivers/input/ff-core.c

@@ -281,7 +281,8 @@ int input_ff_event(struct input_dev *dev, unsigned int type,
 		break;
 
 	default:
-		ff->playback(dev, code, value);
+		if (check_effect_access(ff, code, NULL) == 0)
+			ff->playback(dev, code, value);
 		break;
 	}