From: Roy Marples <roy@marples.name>
Date: Sat, 15 Nov 2008 11:24:26 +0000 (+0000)
Subject: Fork into background even with no interfaces IF we are asked to background AND have... 
X-Git-Tag: v5.0.0~183
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7b9d0731c3ac128498c7110f1e1f1e8d0868c820;p=thirdparty%2Fdhcpcd.git

Fork into background even with no interfaces IF we are asked to background AND have link detection.
---

diff --git a/dhcpcd.c b/dhcpcd.c
index d82c5eb0..f34d4d86 100644
--- a/dhcpcd.c
+++ b/dhcpcd.c
@@ -1312,12 +1312,19 @@ main(int argc, char **argv)
 			if (strcmp(iface->name, ifv[i]) == 0)
 				break;
 		if (!iface)
-			syslog(LOG_ERR, "%s: invalid interface", ifv[i]);
+			syslog(LOG_ERR, "%s: interface not found or invalid",
+			       ifv[i]);
 	}
 	if (!ifaces) {
 		if (ifc == 0)
 			syslog(LOG_ERR, "no valid interfaces found");
-		exit(EXIT_FAILURE);
+		if (!(options & DHCPCD_BACKGROUND) || 
+		    !(options & DHCPCD_LINK))
+		{
+			syslog(LOG_ERR, "aborting as we're not backgrounding"
+			       " with link detection");
+			exit(EXIT_FAILURE);
+		}
 	}
 
 	if (options & DHCPCD_BACKGROUND)