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HID: magicmouse: Fix an error handling path in magicmouse_probe()

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If the timer introduced by the commit below is started, then it must be
deleted in the error handling of the probe. Otherwise it would trigger
once the driver is no more.

Fixes: 0b91b4e4da ("HID: magicmouse: Report battery level over USB")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Tested-by: José Expósito <jose.exposito89@gmail.com>
Reported-by: <syzbot+a437546ec71b04dfb5ac@syzkaller.appspotmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Christophe JAILLET 2021-12-28 22:09:17 +01:00 committed by Jiri Kosina
parent 0b91b4e4da
commit 33812fc7c8
1 changed files with 1 additions and 0 deletions
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1
drivers/hid/hid-magicmouse.c
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@ -870,6 +870,7 @@ static int magicmouse_probe(struct hid_device *hdev,
return 0;
err_stop_hw:
del_timer_sync(&msc->battery_timer);
hid_hw_stop(hdev);
return ret;
}