Fix potential memleak.

modules/demux/playlist/b4s.c

@@ -149,7 +149,12 @@ static int Demux( demux_t *p_demux )
     {
         char *psz_name = xml_ReaderName( p_xml_reader );
         char *psz_value = xml_ReaderValue( p_xml_reader );
-        if( !psz_name || !psz_value ) return -1;
+        if( !psz_name || !psz_value )
+        {
+            free( psz_name );
+            free( psz_value );
+            return -1;
+        }
         if( !strcmp( psz_name, "num_entries" ) )
         {
             msg_Dbg( p_demux, "playlist has %d entries", atoi(psz_value) );

modules/demux/playlist/podcast.c

@@ -168,7 +168,12 @@ static int Demux( demux_t *p_demux )
                 {
                     char *psz_name = xml_ReaderName( p_xml_reader );
                     char *psz_value = xml_ReaderValue( p_xml_reader );
-                    if( !psz_name || !psz_value ) return -1;
+                    if( !psz_name || !psz_value )
+                    {
+                        free( psz_name );
+                        free( psz_value );
+                        return -1;
+                    }
                     if( !strcmp( psz_elname, "enclosure" ) &&
                         !strcmp( psz_name, "url" ) )
                     {

modules/gui/skins2/parser/xmlparser.cpp

@@ -163,7 +163,12 @@ bool XMLParser::parse()
                 {
                     char *name = xml_ReaderName( m_pReader );
                     char *value = xml_ReaderValue( m_pReader );
-                    if( !name || !value ) return false;
+                    if( !name || !value )
+                    {
+                        free( name );
+                        free( value );
+                        return false;
+                    }
                     attributes[name] = value;
                 }