Merged revisions 296230 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r296230 | russell | 2010-11-24 17:29:44 -0600 (Wed, 24 Nov 2010) | 20 lines
  
  Merged revisions 296221 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2
  
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    r296221 | russell | 2010-11-24 17:28:19 -0600 (Wed, 24 Nov 2010) | 13 lines
    
    Merged revisions 296213 via svnmerge from 
    https://origsvn.digium.com/svn/asterisk/branches/1.4
    
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      r296213 | russell | 2010-11-24 17:26:43 -0600 (Wed, 24 Nov 2010) | 6 lines
      
      Make Asterisk less crashy.
      
      Since we might not put a new translation path on the channel, go ahead and
      set it to NULL right after destroying the old one to ensure we don't try
      to free an invalid translation path later on.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@296235 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/channel.c

@@ -4991,8 +4991,10 @@ static int set_format(struct ast_channel *chan, format_t fmt, format_t *rawforma
 	/* User perspective is fmt */
 	*format = fmt;
 	/* Free any read translation we have right now */
-	if (*trans)
+	if (*trans) {
 		ast_translator_free_path(*trans);
+		*trans = NULL;
+	}
 	/* Build a translation path from the raw format to the desired format */
 	if (*format == *rawformat) {
 		/*