4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
commit e871db8d78df1c411032cbb3acfdf8930509360e upstream.
This reverts commit 6e22e3af7bb3a7b9dc53cb4687659f6e63fca427.
The bug the patch describes to, has been already fixed in commit
2df6948428542 ("USB: cdc-wdm: don't enable interrupts in USB-giveback")
so need to this, revert it.
Fixes: 6e22e3af7bb3 ("usb: cdc-wdm: Fix a sleep-in-atomic-context bug in service_outstanding_interrupt()")
Cc: stable <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/class/cdc-wdm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -453,7 +453,7 @@ static int clear_wdm_read_flag(struct wd
set_bit(WDM_RESPONDING, &desc->flags);
spin_unlock_irq(&desc->iuspin);
- rv = usb_submit_urb(desc->response, GFP_ATOMIC);
+ rv = usb_submit_urb(desc->response, GFP_KERNEL);
spin_lock_irq(&desc->iuspin);
if (rv) {
dev_err(&desc->intf->dev,
