[Fix] Fix reusing of redis connection after exec

diff --git a/src/lua/lua_redis.c b/src/lua/lua_redis.c
index 7688d8cfd728c3516f203ca30f1be792d1b95b51..557639cefc8cf7a7dc3f9e02808f792c2f8cd49a 100644 (file)
--- a/src/lua/lua_redis.c
+++ b/src/lua/lua_redis.c
@@ -1278,7 +1278,7 @@ lua_redis_exec (lua_State *L)
        struct lua_redis_ctx *ctx = lua_check_redis (L, 1);
        redisReply *r;
        gint ret;
-       guint i, nret = 0;
+       guint i, nret = 0, pending;
 
        if (ctx == NULL) {
                lua_error (L);
@@ -1302,7 +1302,11 @@ lua_redis_exec (lua_State *L)
                                return luaL_error (L, "cannot resiz stack to fit %d commands",
                                        ctx->cmds_pending);
                        }
-                       for (i = 0; i < ctx->cmds_pending; i ++) {
+
+                       pending = ctx->cmds_pending;
+                       ctx->cmds_pending = 0;
+
+                       for (i = 0; i < pending; i ++) {
                                ret = redisGetReply (ctx->d.sync, (void **)&r);
 
                                if (ret == REDIS_OK) {
@@ -1315,6 +1319,7 @@ lua_redis_exec (lua_State *L)
                                                lua_pushboolean (L, FALSE);
                                                lua_pushlstring (L, r->str, r->len);
                                        }
+
                                        freeReplyObject (r);
                                }
                                else {