hopefully fix duplicate ppp instances (#895)

[openwrt/openwrt.git] / package / ppp / files / ppp.sh

diff --git a/package/ppp/files/ppp.sh b/package/ppp/files/ppp.sh
index 35572a0a0d8ab5ab3a41cf737670d82b13021169..abc022741aa9710e982b1e247cf12b05e3423e39 100644 (file)
--- a/package/ppp/files/ppp.sh
+++ b/package/ppp/files/ppp.sh
@@ -10,7 +10,7 @@ start_pppd() {
 
        # make sure only one pppd process is started
        lock "/var/lock/ppp-${cfg}"
 
        # make sure only one pppd process is started
        lock "/var/lock/ppp-${cfg}"

-       local pid="$(cat /var/run/ppp-${cfg}.pid 2>/dev/null)"
+       local pid="$(head -n1 /var/run/ppp-${cfg}.pid 2>/dev/null)"

        [ -d "/proc/$pid" ] && grep pppd "/proc/$pid/cmdline" 2>/dev/null >/dev/null && {
                lock -u "/var/lock/ppp-${cfg}"
                return 0
        [ -d "/proc/$pid" ] && grep pppd "/proc/$pid/cmdline" 2>/dev/null >/dev/null && {
                lock -u "/var/lock/ppp-${cfg}"
                return 0