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Make sure the iax_pvt exists before dereferencing it.

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This fixes the latest crash posted on issue 15609.

(issue #15609)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@219586 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2009-09-19 02:51:13 +00:00
parent 0a3504f74b
commit 1e24571def
1 changed files with 1 additions and 1 deletions
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2
channels/chan_iax2.c
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@@ -8423,7 +8423,7 @@ static int socket_process(struct iax2_thread *thread)
* this connection yet. */
if ((dcallno != 1) && (fr->callno = find_callno(ntohs(mh->callno) & ~IAX_FLAG_FULL, dcallno, &sin, NEW_PREVENT, fd, 1))) {
ast_mutex_lock(&iaxsl[fr->callno]);
if (ast_test_flag(iaxs[fr->callno], IAX_ENCRYPTED)) {
if (iaxs[fr->callno] && ast_test_flag(iaxs[fr->callno], IAX_ENCRYPTED)) {
if (decrypt_frame(fr->callno, fh, &f, &res)) {
ast_log(LOG_NOTICE, "Packet Decrypt Failed!\n");
ast_mutex_unlock(&iaxsl[fr->callno]);