From 52c278c2e1b820e4a5f329a83f50757ab5248fde Mon Sep 17 00:00:00 2001
From: Mathieu Rene <mrene@avgs.ca>
Date: Mon, 19 Jul 2010 11:50:15 -0400
Subject: [PATCH] mod_hash: fix null check on API

---
 src/mod/applications/mod_hash/mod_hash.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/mod/applications/mod_hash/mod_hash.c b/src/mod/applications/mod_hash/mod_hash.c
index ae5f56d5a2..126d9f3a26 100644
--- a/src/mod/applications/mod_hash/mod_hash.c
+++ b/src/mod/applications/mod_hash/mod_hash.c
@@ -572,10 +572,13 @@ SWITCH_STANDARD_API(hash_remote_function)
 	char *argv[10];
 	char *dup = NULL;
 	
-	if (!zstr(cmd)) {
-		dup = strdup(cmd);
+	if (zstr(cmd)) {
+		stream->write_function(stream, "-ERR Usage: "HASH_REMOTE_SYNTAX"\n");
+		return SWITCH_STATUS_SUCCESS;
 	}
 	
+	dup = strdup(cmd);
+	
 	argc = switch_split(dup, ' ', argv);
 	if (argv[0] && !strcmp(argv[0], "list")) {
 		switch_hash_index_t *hi;