Fix voicemail crash (bug #4800)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6261 65c4cc65-6c06-0410-ace0-fbb531ad65f3
20 years ago · e0b57f1fae
parent 50087d3467
commit e0b57f1fae
1 changed files with 4 additions and 2 deletions
--- a/apps/app_voicemail.c
+++ b/apps/app_voicemail.c
@ -3575,8 +3575,10 @@ static int close_mailbox(struct vm_state *vms, struct ast_vm_user *vmu)
 	ast_unlock_path(vms->curdir);

 done:
-	memset(vms->deleted, 0, sizeof(vms->deleted)); 
-	memset(vms->heard, 0, sizeof(vms->heard)); 
+	if (vms->deleted)
+		memset(vms->deleted, 0, sizeof(vms->deleted)); 
+	if (vms->heard)
+		memset(vms->heard, 0, sizeof(vms->heard)); 

 	return 0;
 }