From: Oliver Neukum Date: Thu, 13 Oct 2011 16:21:58 +0000 (+0200) Subject: HID: usbhid: cancel timer for retry synchronously X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=fad9fbe8651e8abd9794d4b4c4133241aa3093b5;p=linux-beck.git HID: usbhid: cancel timer for retry synchronously This makes sure IO is never restarted while a reset is going on In particular there seems to be no protection from hid_retry_timeout() calling hid_start_in() which would start IO after hid_pre_reset() has already called hid_cease_io() because that uses del_timer(), not del_timer_sync() Signed-off-by: Oliver Neukum Signed-off-by: Jiri Kosina --- diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index ad978f5748d3..77e705c2209c 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -1270,7 +1270,7 @@ static void hid_cancel_delayed_stuff(struct usbhid_device *usbhid) static void hid_cease_io(struct usbhid_device *usbhid) { - del_timer(&usbhid->io_retry); + del_timer_sync(&usbhid->io_retry); usb_kill_urb(usbhid->urbin); usb_kill_urb(usbhid->urbctrl); usb_kill_urb(usbhid->urbout);