USB HID: avoid flush_scheduled_work()

This patch (as914) replaces a call to flush_scheduled_work() with
cancel_work_sync(), in order to help avoid potential deadlocks.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index d91b9dac6dff67843b2a8faeff47a9807f6eac45..093abb5c98796643f4254e0def4e2d52a27a749f 100644 (file)
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -956,7 +956,7 @@ static void hid_disconnect(struct usb_interface *intf)
        usb_kill_urb(usbhid->urbctrl);
 
        del_timer_sync(&usbhid->io_retry);
-       flush_scheduled_work();
+       cancel_work_sync(&usbhid->reset_work);
 
        if (hid->claimed & HID_CLAIMED_INPUT)
                hidinput_disconnect(hid);