From: Jason A. Donenfeld <Jason@zx2c4.com>
Date: Thu, 21 Jul 2016 11:33:20 +0000 (+0200)
Subject: wg: propagate set errno
X-Git-Tag: v1.0.20191226~330
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a8baff2ab3a5a2306da41ae20ed0f96fa93f00e9;p=thirdparty%2Fwireguard-tools.git

wg: propagate set errno

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---

diff --git a/src/ipc.c b/src/ipc.c
index 2fb1246..cc70fd1 100644
--- a/src/ipc.c
+++ b/src/ipc.c
@@ -201,6 +201,7 @@ static int userspace_set_device(struct wgdevice *dev)
 	ret = ret_code;
 out:
 	close_and_unlink(fd);
+	errno = -ret;
 	return (int)ret;
 }