From b832da56024b33e6c7f06f766c59d90e4f377a9b Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Sun, 5 Apr 2015 14:06:29 +0200 Subject: HID: logitech-hidpp: fix error return code Return a negative error code on failure. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @@ identifier ret; expression e1,e2; @@ ( if (\(ret < 0\|ret != 0\)) { ... return ret; } | ret = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // Signed-off-by: Julia Lawall Reviewed-by: Benjamin Tissoires Signed-off-by: Jiri Kosina --- drivers/hid/hid-logitech-hidpp.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/hid/hid-logitech-hidpp.c') diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index 8e9cb25f45cb..b3cf6fd4be96 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -1220,6 +1220,7 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) connected = hidpp_is_connected(hidpp); if (id->group != HID_GROUP_LOGITECH_DJ_DEVICE) { if (!connected) { + ret = -ENODEV; hid_err(hdev, "Device not connected"); hid_device_io_stop(hdev); goto hid_parse_fail; -- cgit v1.2.3