luci-mod-status: use -w flag when dumping iptables

Multiple iptables listing commands might be triggered in parallel due
to the XHR polling, so use the -w flag to wait for the lock to become
free.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

diff --git a/modules/luci-mod-status/luasrc/controller/admin/status.lua b/modules/luci-mod-status/luasrc/controller/admin/status.lua
index 5b496d83f2375e42e5808f1b9d78a9b94dd1908d..63b939077574796077b53cdf2bd41ad69da91f68 100644 (file)
--- a/modules/luci-mod-status/luasrc/controller/admin/status.lua
+++ b/modules/luci-mod-status/luasrc/controller/admin/status.lua
@@ -53,7 +53,7 @@ function dump_iptables(family, table)
                for s in lines do
                        if s == table then
                                local ipt = io.popen(
-                                       "/usr/sbin/%stables -t %s --line-numbers -nxvL"
+                                       "/usr/sbin/%stables -w -t %s --line-numbers -nxvL"
                                        %{ prefix, table })
 
                                if ipt then