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Bluetooth: btusb: fix memory leak on fw 

commit 3168c19d7e upstream.

Currently the error return path when the call to btusb_mtk_hci_wmt_sync
fails does not free fw.  Fix this by returning via the error_release_fw
label that performs the free'ing.

Addresses-Coverity: ("Resource leak")
Fixes: a1c49c434e ("Bluetooth: btusb: Add protocol support for MediaTek MT7668U USB devices")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Colin Ian King 2019-11-29 17:36:35 +00:00 committed by Greg Kroah-Hartman
parent 21780d1fd6
commit 1bfecb5077
1 changed files with 1 additions and 1 deletions
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2
drivers/bluetooth/btusb.c
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@ -2850,7 +2850,7 @@ static int btusb_mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
if (err < 0) {
bt_dev_err(hdev, "Failed to send wmt rst (%d)", err);
return err;
goto err_release_fw;
}
/* Wait a few moments for firmware activation done */