comgt: move 3g hotplug handling to tty subsystem, fixes race on coldplug (#9211)

[openwrt/staging/chunkeey.git] / package / comgt / files / 3g.usb

diff --git a/package/comgt/files/3g.usb b/package/comgt/files/3g.usb
index d5a38b8a4ccfdd38723bd89c3cb1c194f0414626..ea2fba1509112cf8cec893e20bfae06646e3b3d9 100644 (file)
--- a/package/comgt/files/3g.usb
+++ b/package/comgt/files/3g.usb
@@ -22,8 +22,11 @@ find_3g_iface() {
                config_get dev "$cfg" device
 
                if [ "${dev##*/}" = "${tty##*/}" ]; then
-                       log "Starting interface $cfg for device ${tty##*/}"
-                       ( sleep 1; /sbin/ifup "$cfg" ) &
+                       [ -z "$(ls /var/lock | grep ${dev##*/})" ] && {
+                               log "Starting interface $cfg for device ${dev##*/}"
+                               sleep 1
+                               /sbin/ifup "$cfg"
+                       }
                fi
        }
 }
@@ -31,13 +34,13 @@ find_3g_iface() {
 
 if [ "$ACTION" = add ]; then
        case "$DEVICENAME" in
-               *-*:*.*) config_load network;;
+               tty*) config_load network;;
                *) exit 0;;
        esac
 
        local tty
-       for tty in /sys/$DEVPATH/ttyUSB* /sys/$DEVPATH/tty/ttyACM* /sys/$DEVPATH/tty/ttyHS*; do
-               [ -d "$tty" ] || continue
+       for tty in /dev/ttyUSB* /dev/ttyACM* /dev/ttyHS*; do
+               [ -e "$tty" ] || continue
                config_foreach find_3g_iface interface "$tty"
        done
 fi