[source] dnsmasq: don't point --resolv-file to default location unconditionally

[LEDE Commits]

dedeckeh pushed a commit to source.git, branch master:
https://git.lede-project.org/8e0775197a3a3cdcf9653d62c5195120b830efa1

commit 8e0775197a3a3cdcf9653d62c5195120b830efa1
Author: Philip Prindeville <philipp at redfish-solutions.com>
AuthorDate: Tue Mar 14 12:58:37 2017 -0600

    dnsmasq: don't point --resolv-file to default location unconditionally
    
    If noresolv is set, we should not generate a --resolv-file parameter.
    
    Signed-off-by: Philip Prindeville <philipp at redfish-solutions.com>
    Signed-off-by: Hans Dedecker <dedeckeh at gmail.com> [minor cleanup]
---
 package/network/services/dnsmasq/files/dnsmasq.init | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/package/network/services/dnsmasq/files/dnsmasq.init b/package/network/services/dnsmasq/files/dnsmasq.init
index 51b841b..1b3157e 100644
--- a/package/network/services/dnsmasq/files/dnsmasq.init
+++ b/package/network/services/dnsmasq/files/dnsmasq.init
@@ -661,7 +661,7 @@ dhcp_relay_add() {
 
 dnsmasq_start()
 {
-	local cfg="$1" disabled
+	local cfg="$1" disabled resolvfile
 
 	config_get_bool disabled "$cfg" disabled 0
 	[ "$disabled" -gt 0 ] && return 0
@@ -766,7 +766,6 @@ dnsmasq_start()
 	config_list_foreach "$cfg" "addnhosts" append_addnhosts
 	config_list_foreach "$cfg" "bogusnxdomain" append_bogusnxdomain
 	append_parm "$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
-	append_parm "$cfg" "resolvfile" "--resolv-file" "/tmp/resolv.conf.auto"
 	append_parm "$cfg" "serversfile" "--servers-file"
 	append_parm "$cfg" "tftp_root" "--tftp-root"
 	append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
@@ -788,7 +787,6 @@ dnsmasq_start()
 	config_get_bool readethers "$cfg" readethers
 	[ "$readethers" = "1" -a \! -e "/etc/ethers" ] && touch /etc/ethers
 
-	config_get resolvfile $cfg resolvfile
 	config_get dhcpscript $cfg dhcpscript
 
 	config_get leasefile $cfg leasefile "/tmp/dhcp.leases"
@@ -802,6 +800,8 @@ dnsmasq_start()
 		[ -n "$resolvfile" -a \! -e "$resolvfile" ] && touch "$resolvfile"
 	fi
 
+	[ -n "$resolvfile" ] && xappend "--resolv-file=$resolvfile"
+
 	config_get hostsfile "$cfg" dhcphostsfile
 	[ -e "$hostsfile" ] && xappend "--dhcp-hostsfile=$hostsfile"