[asterisk-commits] russell: branch 1.4 r219586 - /branches/1.4/channels/chan_iax2.c

[SVN commits to the Asterisk project]

Author: russell
Date: Fri Sep 18 21:51:13 2009
New Revision: 219586

URL: http://svn.asterisk.org/svn-view/asterisk?view=rev&rev=219586
Log:
Make sure the iax_pvt exists before dereferencing it.

This fixes the latest crash posted on issue 15609.

(issue #15609)

Modified:
    branches/1.4/channels/chan_iax2.c

Modified: branches/1.4/channels/chan_iax2.c
URL: http://svn.asterisk.org/svn-view/asterisk/branches/1.4/channels/chan_iax2.c?view=diff&rev=219586&r1=219585&r2=219586
==============================================================================
--- branches/1.4/channels/chan_iax2.c (original)
+++ branches/1.4/channels/chan_iax2.c Fri Sep 18 21:51:13 2009
@@ -8423,7 +8423,7 @@
 		 * 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]);