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Commit 3746e567 authored by Ping Cheng's avatar Ping Cheng Committed by Dmitry Torokhov
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Input: wacom_w8001 - handle errors from input_mt_init_slots() 



input_mt_init_slots() may fail and we should be handling failures properly.

Signed-off-by: default avatarPing Cheng <pingc@wacom.com>
Signed-off-by: default avatarPeter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent ae10850c

drivers/input/touchscreen/wacom_w8001.c

+7 −1
Original line number Diff line number Diff line
@@ -518,7 +518,13 @@ static int w8001_setup_touch(struct w8001 *w8001, char *basename, 
		w8001->pktlen = W8001_PKTLEN_TOUCH2FG;



		__set_bit(BTN_TOOL_DOUBLETAP, dev->keybit);

		input_mt_init_slots(dev, 2, 0);

		error = input_mt_init_slots(dev, 2, 0);

		if (error) {

			dev_err(&w8001->serio->dev,

				"failed to initialize MT slots: %d\n", error);

			return error;

		}



		input_set_abs_params(dev, ABS_MT_POSITION_X,

					0, touch.x, 0, 0);

		input_set_abs_params(dev, ABS_MT_POSITION_Y,