From 12b56a969f03ff2e0e28704ff2c30875ea836fe0 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Wed, 10 Sep 2014 15:41:05 +0200
Subject: [PATCH] luaRedisGenericCommand() cached argv handling simplified.

As discussed in issue #1945.
---
 src/scripting.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/scripting.c b/src/scripting.c
index 50e1ef10c..5cd0b299c 100644
--- a/src/scripting.c
+++ b/src/scripting.c
@@ -222,10 +222,7 @@ int luaRedisGenericCommand(lua_State *lua, int raise_error) {
     }
 
     /* Build the arguments vector */
-    if (!argv) {
-        argv = zmalloc(sizeof(robj*)*argc);
-        argv_size = argc;
-    } else if (argv_size < argc) {
+    if (argv_size < argc) {
         argv = zrealloc(argv,sizeof(robj*)*argc);
         argv_size = argc;
     }
@@ -403,6 +400,7 @@ cleanup:
     if (c->argv != argv) {
         zfree(c->argv);
         argv = NULL;
+        argv_size = 0;
     }
 
     if (raise_error) {