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gives channel reference before unlocking it and using setvar helper.

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To guarantee the channel is valid when calling setvar on the MASTER_CHANNEL
dialplan function, a channel reference must be taken before unlocking. Thanks
to russell for pointing out the error.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@256823 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
David Vossel
2010-04-12 14:47:16 +00:00
parent d2e1f421fa
commit bd53cbabcf
1 changed files with 2 additions and 0 deletions
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channels/chan_sip.c
+2
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@@ -22680,10 +22680,12 @@ static int handle_incoming(struct sip_pvt *p, struct sip_request *req, struct so
snprintf(causevar, sizeof(causevar), "MASTER_CHANNEL(HASH(SIP_CAUSE,%s))", owner->name);
snprintf(causeval, sizeof(causeval), "SIP %s", REQ_OFFSET_TO_STR(req, rlPart2));
ast_channel_ref(owner);
sip_pvt_unlock(p);
ast_channel_unlock(owner);
*nounlock = 1;
pbx_builtin_setvar_helper(owner, causevar, causeval);
ast_channel_unref(owner);
sip_pvt_lock(p);
}
}