From 3f5f96ac91f570a6aa8b73d20f406410d8a79ed4 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Tue, 18 Nov 2014 20:53:59 +0100
Subject: [PATCH] event/ServerSocket: fix get_remote_uid() error value

Must return -1 on error, not 0.  0 is root.
---
 src/event/ServerSocket.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/event/ServerSocket.cxx b/src/event/ServerSocket.cxx
index 781d29181..361aba886 100644
--- a/src/event/ServerSocket.cxx
+++ b/src/event/ServerSocket.cxx
@@ -141,7 +141,7 @@ get_remote_uid(int fd)
 	socklen_t len = sizeof (cred);
 
 	if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0)
-		return 0;
+		return -1;
 
 	return cred.uid;
 #else