[asterisk-commits] crichter: branch 1.4 r100793 - /branches/1.4/channels/chan_misdn.c

[SVN commits to the Asterisk project]

Author: crichter
Date: Tue Jan 29 04:36:19 2008
New Revision: 100793

URL: http://svn.digium.com/view/asterisk?view=rev&rev=100793
Log:
fixed potential segfault in misdn show channels CLI command

Modified:
    branches/1.4/channels/chan_misdn.c

Modified: branches/1.4/channels/chan_misdn.c
URL: http://svn.digium.com/view/asterisk/branches/1.4/channels/chan_misdn.c?view=diff&rev=100793&r1=100792&r2=100793
==============================================================================
--- branches/1.4/channels/chan_misdn.c (original)
+++ branches/1.4/channels/chan_misdn.c Tue Jan 29 04:36:19 2008
@@ -1127,10 +1127,18 @@
 	struct chan_list *help=cl_te;
   
 	ast_cli(fd,"Chan List: %p\n",cl_te); 
-  
+
 	for (;help; help=help->next) {
 		struct misdn_bchannel *bc=help->bc;   
 		struct ast_channel *ast=help->ast;
+		if (!ast) {
+			if (!bc) {
+				ast_cli(fd, "chan_list obj. with l3id:%x has no bc and no ast Leg\n", help->l3id);
+				continue;
+			}
+			ast_cli(fd, "bc with pid:%d has no Ast Leg\n", bc->pid);
+			continue;
+		}
 		if (misdn_debug[0] > 2) ast_cli(fd, "Bc:%p Ast:%p\n", bc, ast);
 		if (bc) {
 			print_bc_info(fd, help, bc);