[PATCH 4.18 132/235] usb: cdc-wdm: Fix a sleep-in-atomic-context bug in service_outstanding_interrupt()

4.18-stable review patch. If anyone has any objections, please let me know. -- From: Jia-Ju Bai commit 6e22e3af7bb3a7b9dc53cb4687659f6e63fca427 upstream. wdm_in_callback() is a completion handler function for the USB driver. So it should not sleep. But it calls

[PATCH 4.18 132/235] usb: cdc-wdm: Fix a sleep-in-atomic-context bug in service_outstanding_interrupt()

4.18-stable review patch. If anyone has any objections, please let me know. -- From: Jia-Ju Bai commit 6e22e3af7bb3a7b9dc53cb4687659f6e63fca427 upstream. wdm_in_callback() is a completion handler function for the USB driver. So it should not sleep. But it calls