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Subject[PATCH] usb: bluetooth: get lock before calling usb_[disable|enable]_autosuspend()
Based on the documentation of usb_[disable|enable]_autosuspend(), the
caller must hold udev's device lock.

Signed-off-by: Salah Triki <salah.triki@gmail.com>
---
drivers/bluetooth/btusb.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index a9855a2dd561..2ceb48164b6d 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -1939,8 +1939,11 @@ static int btusb_setup_csr(struct hci_dev *hdev)

device_set_wakeup_capable(&data->udev->dev, false);
/* Re-enable autosuspend if this was requested */
- if (enable_autosuspend)
+ if (enable_autosuspend) {
+ usb_lock_device(data->udev);
usb_enable_autosuspend(data->udev);
+ usb_unlock_device(data->udev);
+ }
}
}

--
2.25.1
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