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Bluetooth: Fix kernel oops triggered by hci_adv_monitors_clear()

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This fixes the kernel oops by removing unnecessary background scan
update from hci_adv_monitors_clear() which shouldn't invoke any work
queue.

The following test was performed.
- Run "rmmod btusb" and verify that no kernel oops is triggered.

Signed-off-by: Miao-chen Chou <mcchou@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Alain Michaud <alainm@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Miao-chen Chou 2020-06-29 20:15:00 -07:00 committed by Marcel Holtmann
parent 461f95f04f
commit b83764f922
1 changed files with 0 additions and 2 deletions
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2
net/bluetooth/hci_core.c
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@ -3005,8 +3005,6 @@ void hci_adv_monitors_clear(struct hci_dev *hdev)
hci_free_adv_monitor(monitor);
idr_destroy(&hdev->adv_monitors_idr);
hci_update_background_scan(hdev);
}
void hci_free_adv_monitor(struct adv_monitor *monitor)