From 844616087f0d7b1ca05b179481d8dd380c027ac8 Mon Sep 17 00:00:00 2001
From: marian <marian@acf43c95-373e-0410-b603-e72c3f656dc1>
Date: Fri, 8 Oct 2021 07:54:37 +0000
Subject: [PATCH] Fixed help command handling: don't return commands if not
 matched the requested one.

git-svn-id: http://voip.null.ro/svn/yate@6524 acf43c95-373e-0410-b603-e72c3f656dc1
---
 modules/ysipchan.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/modules/ysipchan.cpp b/modules/ysipchan.cpp
index 5757e0fb..8f7ade3f 100644
--- a/modules/ysipchan.cpp
+++ b/modules/ysipchan.cpp
@@ -9903,12 +9903,14 @@ bool SIPDriver::onHelp(Message& msg)
 {
     static const char* s_cmds = "  sip drop transport <name>\r\n";
     static const char* s_cmdsDesc = "Drop a tcp/tls transport\r\n";
-    
-    if (msg[YSTRING("line")] == name()) {
+
+    const String& line = msg[YSTRING("line")];
+    if (line == name()) {
 	msg.retValue() << s_cmds << s_cmdsDesc;
 	return true;
     }
-    msg.retValue() << s_cmds;
+    if (!line)
+	msg.retValue() << s_cmds;
     return false;
 }