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Bluetooth: btusb: fix PM leak in error case of setup

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commit 3d44a6fd0775e6215e836423e27f8eedf8c871ea upstream.

If setup() fails a reference for runtime PM has already
been taken. Proper use of the error handling in btusb_open()is needed.
You cannot just return.

Fixes: ace3198258 ("Bluetooth: btusb: Add setup callback for chip init on USB")
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oliver Neukum 2019-11-14 16:01:18 +01:00 • committed by Greg Kroah-Hartman
commit a0a5f3d36b
1 changed files with 2 additions and 1 deletions
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3
drivers/bluetooth/btusb.c
View file

@ -1138,7 +1138,7 @@ static int btusb_open(struct hci_dev *hdev)
if (data->setup_on_usb) {
err = data->setup_on_usb(hdev);
if (err < 0)
return err;
goto setup_fail;
}
data->intf->needs_remote_wakeup = 1;
@ -1170,6 +1170,7 @@ done:
failed:
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
setup_fail:
usb_autopm_put_interface(data->intf);
return err;
}