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-rw-r--r--package/ppp/files/ppp.sh5
1 files changed, 5 insertions, 0 deletions
diff --git a/package/ppp/files/ppp.sh b/package/ppp/files/ppp.sh
index 343223af1b..133400509c 100644
--- a/package/ppp/files/ppp.sh
+++ b/package/ppp/files/ppp.sh
@@ -7,6 +7,11 @@ scan_ppp() {
start_pppd() {
local cfg="$1"; shift
+
+ # make sure only one pppd process is started
+ local pid="$(cat /var/run/ppp-${cfg}.pid 2>/dev/null)"
+ [ -d "/proc/$pid" ] && grep pppd "/proc/$pid/cmdline" 2>/dev/null >/dev/null && return 0
+
config_get device "$cfg" device
config_get unit "$cfg" unit
config_get username "$cfg" username