From d050a6cde72731d7707b93cfc4c8cfe0b5e512c7 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Thu, 14 Nov 2019 16:01:18 +0100 Subject: [PATCH] Bluetooth: btusb: fix PM leak in error case of setup 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: ace31982585a3 ("Bluetooth: btusb: Add setup callback for chip init on USB") Signed-off-by: Oliver Neukum Signed-off-by: Marcel Holtmann Signed-off-by: Greg Kroah-Hartman --- drivers/bluetooth/btusb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index fcc12c879..7039a58a6 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -1056,7 +1056,7 @@ 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; } err = usb_autopm_get_interface(data->intf); @@ -1092,6 +1092,7 @@ done: failed: clear_bit(BTUSB_INTR_RUNNING, &data->flags); +setup_fail: usb_autopm_put_interface(data->intf); return err; }