syzbot

usb 1-1: Direct firmware load for mrvl/usb8801_uapsta.bin failed with error -2
usb 1-1: Failed to get firmware mrvl/usb8801_uapsta.bin
usb 1-1: info: _mwifiex_fw_dpc: unregister device
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.7.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events request_firmware_work_func
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xef/0x16e lib/dump_stack.c:118
 assign_lock_key kernel/locking/lockdep.c:913 [inline]
 register_lock_class+0x1442/0x17e0 kernel/locking/lockdep.c:1225
 __lock_acquire+0x104/0x6650 kernel/locking/lockdep.c:4234
 lock_acquire+0x18b/0x7c0 kernel/locking/lockdep.c:4934
 del_timer_sync+0x3a/0x130 kernel/time/timer.c:1355
 mwifiex_usb_cleanup_tx_aggr drivers/net/wireless/marvell/mwifiex/usb.c:1356 [inline]
 mwifiex_unregister_dev+0x416/0x690 drivers/net/wireless/marvell/mwifiex/usb.c:1368
 _mwifiex_fw_dpc+0x732/0xe00 drivers/net/wireless/marvell/mwifiex/main.c:649
 request_firmware_work_func+0x126/0x242 drivers/base/firmware_loader/main.c:1005
 process_one_work+0x965/0x1630 kernel/workqueue.c:2268
 worker_thread+0x96/0xe20 kernel/workqueue.c:2414