HID: autosuspend -- fix lockup of hid on reset

This fixes a use of flush_scheduled_work() in USB HID's reset logic that can
deadlock.

Tested-by: Valdis Kletniks <Valdis.Kletnieks@vt.edu>
Signed-off-by: Oliver Neukum <oliver@neukum.name>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 054f0c521e6..a1ef41f067c 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1207,7 +1207,6 @@ static void hid_cease_io(struct usbhid_device *usbhid)
         usb_kill_urb(usbhid->urbin);
         usb_kill_urb(usbhid->urbctrl);
         usb_kill_urb(usbhid->urbout);
-        flush_scheduled_work();
 }
 
 /* Treat USB reset pretty much the same as suspend/resume */
@@ -1219,6 +1218,7 @@ static int hid_pre_reset(struct usb_interface *intf)
         spin_lock_irq(&usbhid->lock);
         set_bit(HID_RESET_PENDING, &usbhid->iofl);
         spin_unlock_irq(&usbhid->lock);
+        cancel_work_sync(&usbhid->restart_work);
         hid_cease_io(usbhid);
 
         return 0;