linux-kernel - [patch] ewrk3: range checking problem

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Message-ID: <20100322120728.GD21571@bicker>
Date:	Mon, 22 Mar 2010 15:07:28 +0300
From:	Dan Carpenter <error27@...il.com>
To:	netdev@...r.kernel.org
Cc:	Stephen Hemminger <shemminger@...tta.com>,
	Patrick McHardy <kaber@...sh.net>,
	Jiri Pirko <jpirko@...hat.com>,
	Alexey Dobriyan <adobriyan@...il.com>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>
Subject: [patch] ewrk3: range checking problem

The range checking here is wrong.  It should be HASH_TABLE_LEN which 
is 512.

Signed-off-by: Dan Carpenter <error27@...il.com>

diff --git a/drivers/net/ewrk3.c b/drivers/net/ewrk3.c
index 91e59f3..ae02de1 100644
--- a/drivers/net/ewrk3.c
+++ b/drivers/net/ewrk3.c
@@ -1776,8 +1776,7 @@ static int ewrk3_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 		break;
 	case EWRK3_SET_MCA:	/* Set a multicast address */
 		if (capable(CAP_NET_ADMIN)) {
-			if (ioc->len > 1024)
-			{
+			if (ioc->len > HASH_TABLE_LEN) {
 				status = -EINVAL;
 				break;
 			}
--
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