Commit 76ca8da9 authored by Pietro Borrello's avatar Pietro Borrello Committed by Benjamin Tissoires
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HID: bigben: use spinlock to safely schedule workers 



Use spinlocks to deal with workers introducing a wrapper
bigben_schedule_work(), and several spinlock checks.
Otherwise, bigben_set_led() may schedule bigben->worker after the
structure has been freed, causing a use-after-free.

Fixes: 4eb1b01d ("HID: hid-bigbenff: fix race condition for scheduled work during removal")
Signed-off-by: default avatarPietro Borrello <borrello@diag.uniroma1.it>
Link: https://lore.kernel.org/r/20230125-hid-unregister-leds-v4-3-7860c5763c38@diag.uniroma1.it


Signed-off-by: default avatarBenjamin Tissoires <benjamin.tissoires@redhat.com>
parent 27d2a2fd
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