From c042af61d71a86cd9a70e6dda57fb9a789fd2f9f Mon Sep 17 00:00:00 2001
From: nightshad <nightshad@e54a6e83-5905-42d5-8d5c-058d10e6a962>
Date: Tue, 12 Apr 2011 09:29:46 +0000
Subject: [PATCH] Check passed pid. Prevents invalid use and possible
 corruption of the 'state'.

git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@1394 e54a6e83-5905-42d5-8d5c-058d10e6a962
---
 lib/libtuxtxt/libtuxtxt.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/libtuxtxt/libtuxtxt.cpp b/lib/libtuxtxt/libtuxtxt.cpp
index b559f5967..fac6a0152 100644
--- a/lib/libtuxtxt/libtuxtxt.cpp
+++ b/lib/libtuxtxt/libtuxtxt.cpp
@@ -57,6 +57,12 @@ int tuxtxt_stop()
 
 void tuxtxt_start(int tpid, int source)
 {
+	if (tpid == -1)
+	{
+		printf("tuxtxt: invalid PID!\n");
+		return;
+	}
+
 	if (tuxtxt_cache.vtxtpid != tpid)
 	{
 		tuxtxt_stop();
@@ -79,7 +85,7 @@ void tuxtxt_close()
 	tuxtxt_stop();
 #if 0
 	if (tuxtxt_cache.dmx != -1)
-    	    close(tuxtxt_cache.dmx);
+		close(tuxtxt_cache.dmx);
 #endif
 	tuxtxt_cache.dmx = -1;
 	tuxtxt_clear_cache();