[asterisk-commits] mmichelson: trunk r200290 - /trunk/apps/app_queue.c

[SVN commits to the Asterisk project]

Author: mmichelson
Date: Fri Jun 12 09:55:07 2009
New Revision: 200290

URL: http://svn.asterisk.org/svn-view/asterisk?view=rev&rev=200290
Log:
Fix a potential crash from trying to access a NULL channel pointer.


Modified:
    trunk/apps/app_queue.c

Modified: trunk/apps/app_queue.c
URL: http://svn.asterisk.org/svn-view/asterisk/trunk/apps/app_queue.c?view=diff&rev=200290&r1=200289&r2=200290
==============================================================================
--- trunk/apps/app_queue.c (original)
+++ trunk/apps/app_queue.c Fri Jun 12 09:55:07 2009
@@ -3086,9 +3086,11 @@
 			 * ast_strdupa in a loop like this one can cause a stack overflow
 			 */
 			char ochan_name[AST_CHANNEL_NAME];
-			ast_channel_lock(o->chan);
-			ast_copy_string(ochan_name, o->chan->name, sizeof(ochan_name));
-			ast_channel_unlock(o->chan);
+			if (o->chan) {
+				ast_channel_lock(o->chan);
+				ast_copy_string(ochan_name, o->chan->name, sizeof(ochan_name));
+				ast_channel_unlock(o->chan);
+			}
 			if (o->stillgoing && (o->chan) &&  (o->chan->_state == AST_STATE_UP)) {
 				if (!peer) {
 					ast_verb(3, "%s answered %s\n", ochan_name, inchan_name);