From f22bbb97df3693b5e0700a8afb6dbcbdb4b835af Mon Sep 17 00:00:00 2001
From: siddontang <siddontang@gmail.com>
Date: Thu, 18 Sep 2014 09:08:18 +0800
Subject: [PATCH] bugfix scan count 0

---
 server/cmd_kv.go | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/server/cmd_kv.go b/server/cmd_kv.go
index 44eccf1..c170601 100644
--- a/server/cmd_kv.go
+++ b/server/cmd_kv.go
@@ -295,10 +295,8 @@ func parseScanArgs(c *client) (key []byte, match string, count int, err error) {
 		switch strings.ToLower(ledis.String(args[1])) {
 		case "match":
 			match = ledis.String(args[2])
-			return
 		case "count":
 			count, err = strconv.Atoi(ledis.String(args[2]))
-			return
 		default:
 			err = ErrCmdParams
 			return
@@ -314,7 +312,10 @@ func parseScanArgs(c *client) (key []byte, match string, count int, err error) {
 
 		match = ledis.String(args[2])
 		count, err = strconv.Atoi(ledis.String(args[4]))
-		return
+	}
+
+	if count <= 0 {
+		err = ErrCmdParams
 	}
 
 	return