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authorBenjamin Tissoires <benjamin.tissoires@redhat.com>2013-09-11 21:56:59 +0200
committerJiri Kosina <jkosina@suse.cz>2013-09-13 15:15:11 +0200
commit0ccdd9e7476680c16113131264ad6597bd10299d (patch)
tree62fd49b0ee3ba38eed79d97fc54762b6da77024b /drivers/hid
parent8821f5dc187bdf16cfb32ef5aa8c3035273fa79a (diff)
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 <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/hid-lenovo-tpkbd.c15
1 files 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;
}