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Merged revisions 185196 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r185196 | file | 2009-03-31 11:06:39 -0300 (Tue, 31 Mar 2009) | 8 lines
  
  Fix crash when moving audiohooks between channels.
  
  Handle the scenario where we are called to move audiohooks between channels
  and the source channel does not actually have any on it.
  
  (closes issue #14734)
  Reported by: corruptor
........


git-svn-id: http://svn.digium.com/svn/asterisk/trunk@185197 f38db490-d61c-443f-a65b-d21fe96a405b
This commit is contained in:
file 2009-03-31 14:07:36 +00:00
parent 62e05bfba9
commit 4096874863
1 changed files with 3 additions and 3 deletions

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@ -441,12 +441,12 @@ static struct ast_audiohook *find_audiohook_by_source(struct ast_audiohook_list
void ast_audiohook_move_by_source(struct ast_channel *old_chan, struct ast_channel *new_chan, const char *source)
{
struct ast_audiohook *audiohook = find_audiohook_by_source(old_chan->audiohooks, source);
struct ast_audiohook *audiohook;
if (!audiohook) {
if (!old_chan->audiohooks || !(audiohook = find_audiohook_by_source(old_chan->audiohooks, source))) {
return;
}
/* By locking both channels and the audiohook, we can assure that
* another thread will not have a chance to read the audiohook's status
* as done, even though ast_audiohook_remove signals the trigger