Merged revisions 79912 via svnmerge from
authorRussell Bryant <russell@russellbryant.com>
Fri, 17 Aug 2007 21:04:33 +0000 (21:04 +0000)
committerRussell Bryant <russell@russellbryant.com>
Fri, 17 Aug 2007 21:04:33 +0000 (21:04 +0000)
commit57d5934e5d1f809dcae7f9a933bed90b3ce92f82
tree1501c976c13115f13421ddd46674cb1d255e9bf3
parentd49ae61c364f5a7ab1907a282659f91c112fcca0
Merged revisions 79912 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r79912 | russell | 2007-08-17 16:01:43 -0500 (Fri, 17 Aug 2007) | 4 lines

Avoid a crash in the handling of DTMF based Caller ID.  It is valid for
ast_read to return NULL in the case that the channel has been hung up.
(crash reported by anonymouz666 on IRC in #asterisk-dev)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@79913 65c4cc65-6c06-0410-ace0-fbb531ad65f3
channels/chan_zap.c