Input: ims-pcu - fix a memory leak on error

Reported-by: Dan Carpenter <[e-mail]>
Signed-off-by: Dmitry Torokhov <[e-mail]>

drivers/input/misc/ims-pcu.c

···
 	if (!gamepad || !input) {
 		dev_err(pcu->dev,
 			"Not enough memory for gamepad device\n");
-		return -ENOMEM;
+		error = -ENOMEM;
+		goto err_free_mem;
 	}
 
 	gamepad->input = input;
···
 {
 	struct usb_interface *intf = to_usb_interface(dev);
 	struct ims_pcu *pcu = usb_get_intfdata(intf);
-	const struct firmware *fw;
+	const struct firmware *fw = NULL;
 	int value;
 	int error;