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If a sip_pvt struct has already registered an extension state callback,

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remove the old one before adding a new one.  If this isn't done, Asterisk
will crash.  (issue #10120)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@73768 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2007-07-06 23:01:22 +00:00
parent 5e8172892e
commit 0a22a51525
1 changed files with 4 additions and 1 deletions
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5
channels/chan_sip.c
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@@ -11191,8 +11191,11 @@ static int handle_request_subscribe(struct sip_pvt *p, struct sip_request *req,
ast_set_flag(p, SIP_NEEDDESTROY);
return 0;
}
if (p->subscribed != NONE)
if (p->subscribed != NONE) {
if (p->stateid > -1)
ast_extension_state_del(p->stateid, cb_extensionstate);
p->stateid = ast_extension_state_add(p->context, p->exten, cb_extensionstate, p);
}
}
}