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authorDavid Vossel <dvossel@digium.com>2010-04-12 14:47:16 +0000
committerDavid Vossel <dvossel@digium.com>2010-04-12 14:47:16 +0000
commitbd53cbabcf98c4e760e13691014fcedf1a738c4c (patch)
treecda3f0c55b9a0254b21d75b43366b176fe1ff986 /channels
parentd2e1f421faee96562938547620aec0b2455cdea5 (diff)
gives channel reference before unlocking it and using setvar helper.
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
Diffstat (limited to 'channels')
-rw-r--r--channels/chan_sip.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 21480b325..e8d9e4550 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -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);
}
}