From dec3eb01c2409ca8276c1152c167add66a37d1ba Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 3 May 2007 00:51:10 -0400 Subject: [PATCH] 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 Signed-off-by: Dmitry Torokhov --- drivers/input/ff-core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c index 783b3412ce..eebc72465f 100644 --- a/drivers/input/ff-core.c +++ b/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; } -- 2.39.5