From 2268bad1043b534620f9f4bbc4944c4f66adc435 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Thu, 20 Aug 2015 14:37:25 +1000
Subject: [PATCH] hidraw: Definitely return EINVAL when the device ids don't
 match

Don't return an undefined errno.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---
 src/libratbag-hidraw.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/libratbag-hidraw.c b/src/libratbag-hidraw.c
index 35259d27..e812be6b 100644
--- a/src/libratbag-hidraw.c
+++ b/src/libratbag-hidraw.c
@@ -60,8 +60,10 @@ ratbag_open_hidraw(struct ratbag_device *ratbag)
 	/* Check if the device actually matches the input node */
 	if (info.bustype != ratbag->ids.bustype ||
 	    info.vendor != ratbag->ids.vendor ||
-	    info.product != ratbag->ids.product)
+	    info.product != ratbag->ids.product) {
+		errno = EINVAL;
 		goto err;
+	}
 
 	ratbag->hidraw_fd = fd;