[PATCH] package/comgt: Handle bind/unbind events

[Arjun AK]

This script was expecting only add/remove events which has not been the
case since Kernel 4.12 (which added bind/unbind). Bind events were getting
treated as remove events which would cause hotplugged 3g modems to not
work.

More info:
https://lkml.org/lkml/2018/12/23/128
https://github.com/systemd/systemd/issues/8221

Signed-off-by: Arjun AK <arjunak234 at gmail.com>
---
 package/network/utils/comgt/files/3g.usb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/package/network/utils/comgt/files/3g.usb b/package/network/utils/comgt/files/3g.usb
index 8f0d62ca83..9c7d07a0e6 100644
--- a/package/network/utils/comgt/files/3g.usb
+++ b/package/network/utils/comgt/files/3g.usb
@@ -23,6 +23,8 @@ find_3g_iface() {
 	fi
 }
 
+[ "$ACTION" = add ] || [ "$ACTION" = remove ] || exit 0
+
 case "$DEVICENAME" in
 	tty*)
 		[ -e "/dev/$DEVICENAME" ] || [ "$ACTION" = remove ] || exit 0
-- 
2.20.1