From 2dd5600f3dff2fb072b87354b5887e4d79a3832b Mon Sep 17 00:00:00 2001
From: nggit <12218311+nggit@users.noreply.github.com>
Date: Mon, 7 Nov 2022 21:25:50 +0700
Subject: [PATCH] Fix unrecognized option "p" in busybox ps

---
 utils/novnc_proxy | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/novnc_proxy b/utils/novnc_proxy
index 0365c1e1..57d20d2e 100755
--- a/utils/novnc_proxy
+++ b/utils/novnc_proxy
@@ -193,7 +193,7 @@ echo "Starting webserver and WebSockets proxy on port ${PORT}"
 ${WEBSOCKIFY} ${SYSLOG_ARG} ${SSLONLY} --web ${WEB} ${CERT:+--cert ${CERT}} ${KEY:+--key ${KEY}} ${PORT} ${VNC_DEST} ${HEARTBEAT_ARG} ${IDLETIMEOUT_ARG} ${RECORD_ARG} ${TIMEOUT_ARG} ${WEBAUTH_ARG} ${AUTHPLUGIN_ARG} ${AUTHSOURCE_ARG} &
 proxy_pid="$!"
 sleep 1
-if ! ps -p ${proxy_pid} >/dev/null; then
+if [ -z "$proxy_pid" ] || ! ps -eo pid= | grep -w "$proxy_pid" > /dev/null; then
     proxy_pid=
     echo "Failed to start WebSockets proxy"
     exit 1