tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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HID: corsair-void: Add missing delayed work cancel for headset status

The cancel_delayed_work_sync() call was missed, causing a use-after-free
in corsair_void_remove().

Reported-by: yan kang <kangyan91@outlook.com>
Reported-by: yue sun <samsun1006219@gmail.com>
Closes: https://lore.kernel.org/all/SY8P300MB042106286A2536707D2FB736A1E42@SY8P300MB0421.AUSP300.PROD.OUTLOOK.COM/
Closes: https://lore.kernel.org/all/SY8P300MB0421872E0AE934C9616FA61EA1E42@SY8P300MB0421.AUSP300.PROD.OUTLOOK.COM/

Fixes: 6ea2a6fd3872 ("HID: corsair-void: Add Corsair Void headset family driver")
Cc: stable@vger.kernel.org
Signed-off-by: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>

authored by

Stuart Hayhurst and committed by
Jiri Kosina 48e487b0 27c02784

+1
+1
drivers/hid/hid-corsair-void.c
··· 726 726 if (drvdata->battery) 727 727 power_supply_unregister(drvdata->battery); 728 728 729 + cancel_delayed_work_sync(&drvdata->delayed_status_work); 729 730 cancel_delayed_work_sync(&drvdata->delayed_firmware_work); 730 731 sysfs_remove_group(&hid_dev->dev.kobj, &corsair_void_attr_group); 731 732 }