From 0ccdd9e7476680c16113131264ad6597bd10299d Mon Sep 17 00:00:00 2001 From: Benjamin Tissoires Date: Wed, 11 Sep 2013 21:56:59 +0200 Subject: [PATCH] HID: lenovo-tpkbd: fix leak if tpkbd_probe_tp fails If tpkbd_probe_tp() bails out, the probe() function return an error, but hid_hw_stop() is never called. fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1003998 Cc: stable@vger.kernel.org Signed-off-by: Benjamin Tissoires Signed-off-by: Jiri Kosina --- drivers/hid/hid-lenovo-tpkbd.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/hid/hid-lenovo-tpkbd.c b/drivers/hid/hid-lenovo-tpkbd.c index 762d988548a2..31cf29a6ba17 100644 --- a/drivers/hid/hid-lenovo-tpkbd.c +++ b/drivers/hid/hid-lenovo-tpkbd.c @@ -414,22 +414,27 @@ static int tpkbd_probe(struct hid_device *hdev, ret = hid_parse(hdev); if (ret) { hid_err(hdev, "hid_parse failed\n"); - goto err_free; + goto err; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { hid_err(hdev, "hid_hw_start failed\n"); - goto err_free; + goto err; } uhdev = (struct usbhid_device *) hdev->driver_data; - if (uhdev->ifnum == 1) - return tpkbd_probe_tp(hdev); + if (uhdev->ifnum == 1) { + ret = tpkbd_probe_tp(hdev); + if (ret) + goto err_hid; + } return 0; -err_free: +err_hid: + hid_hw_stop(hdev); +err: return ret; } -- 2.39.5