From 53bea86b5712c7491bb3dae12e271666df0a308c Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Mon, 1 May 2023 15:11:55 -0700 Subject: [PATCH] Revert "Input: xpad - fix support for some third-party controllers" This reverts commit db7220c48d8d71476f881a7ae1285e1df4105409 because it causes crashes when trying to dereference xpad->dev->dev in xpad_probe() which has not been set up yet. Reported-by: syzbot+a3f758b8d8cb7e49afec@syzkaller.appspotmail.com Reported-by: Dongliang Mu Link: https://groups.google.com/g/syzkaller-bugs/c/iMhTgpGuIbM Signed-off-by: Dmitry Torokhov --- drivers/input/joystick/xpad.c | 23 ----------------------- 1 file changed, 23 deletions(-) diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 138e4a9..50ecff6 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -264,7 +264,6 @@ static const struct xpad_device { { 0x0f0d, 0x0067, "HORIPAD ONE", 0, XTYPE_XBOXONE }, { 0x0f0d, 0x0078, "Hori Real Arcade Pro V Kai Xbox One", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE }, { 0x0f0d, 0x00c5, "Hori Fighting Commander ONE", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE }, - { 0x0f0d, 0x00dc, "HORIPAD FPS for Nintendo Switch", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, { 0x0f30, 0x010b, "Philips Recoil", 0, XTYPE_XBOX }, { 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX }, { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX }, @@ -2032,28 +2031,6 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id goto err_free_in_urb; } - if (xpad->xtype == XTYPE_XBOX360) { - /* - * Some third-party controllers Xbox 360-style controllers - * require this message to finish initialization. - */ - u8 dummy[20]; - - error = usb_control_msg_recv(udev, 0, - /* bRequest */ 0x01, - /* bmRequestType */ - USB_TYPE_VENDOR | USB_DIR_IN | - USB_RECIP_INTERFACE, - /* wValue */ 0x100, - /* wIndex */ 0x00, - dummy, sizeof(dummy), - 25, GFP_KERNEL); - if (error) - dev_warn(&xpad->dev->dev, - "unable to receive magic message: %d\n", - error); - } - ep_irq_in = ep_irq_out = NULL; for (i = 0; i < 2; i++) { -- 2.7.4