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fc4b5411b3
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@gmail.com>
(cherry picked from commit 89ef883b92)
36 lines
753 B
Bash
36 lines
753 B
Bash
#!/bin/sh
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. /lib/functions.sh
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. /lib/netifd/netifd-proto.sh
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find_3g_iface() {
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local cfg="$1"
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local tty="$2"
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local proto
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config_get proto "$cfg" proto
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[ "$proto" = 3g ] || [ "$proto" = ncm ] || return 0
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# bypass state vars here because 00-netstate could clobber .device
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local dev=$(uci_get network "$cfg" device)
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if [ "${dev##*/}" = "${tty##*/}" ]; then
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if [ "$ACTION" = add ]; then
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proto_set_available "$cfg" 1
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fi
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if [ "$ACTION" = remove ]; then
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proto_set_available "$cfg" 0
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fi
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fi
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}
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[ "$ACTION" = add ] || [ "$ACTION" = remove ] || exit 0
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case "$DEVICENAME" in
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tty*)
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[ -e "/dev/$DEVICENAME" ] || [ "$ACTION" = remove ] || exit 0
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config_load network
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config_foreach find_3g_iface interface "/dev/$DEVICENAME"
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;;
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esac
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