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Merged revisions 69069 via svnmerge from

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

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r69069 | russell | 2007-06-13 11:29:12 -0500 (Wed, 13 Jun 2007) | 3 lines

Fix a place where a chan_iax2 pvt struct was accessed without the lock held.
This issue was reported to me via email by Dmitry Mishchenko.  Thanks!

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@69070 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2007-06-13 16:29:45 +00:00
parent f379df9773
commit 65880d7680
1 changed files with 9 additions and 2 deletions
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11
channels/chan_iax2.c
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@@ -7203,11 +7203,18 @@ retryowner:
ast_log(LOG_NOTICE, "Rejected connect attempt from %s, who was trying to reach '%s@%s'\n", ast_inet_ntoa(sin.sin_addr), iaxs[fr->callno]->exten, iaxs[fr->callno]->context);
break;
}
/* This might re-enter the IAX code and need the lock */
if (strcasecmp(iaxs[fr->callno]->exten, "TBD")) {
const char *context, *exten, *cid_num;
context = ast_strdupa(iaxs[fr->callno]->context);
exten = ast_strdupa(iaxs[fr->callno]->exten);
cid_num = ast_strdupa(iaxs[fr->callno]->cid_num);
/* This might re-enter the IAX code and need the lock */
ast_mutex_unlock(&iaxsl[fr->callno]);
exists = ast_exists_extension(NULL, iaxs[fr->callno]->context, iaxs[fr->callno]->exten, 1, iaxs[fr->callno]->cid_num);
exists = ast_exists_extension(NULL, context, exten, 1, cid_num);
ast_mutex_lock(&iaxsl[fr->callno]);
if (!iaxs[fr->callno]) {
ast_mutex_unlock(&iaxsl[fr->callno]);
return 1;