linux-kernel - [patch 1/2] staging: rtl8188eu: off by one in rtw_set_802_11_add

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Message-ID: <20130829214542.GB23197@elgon.mountain>
Date:	Fri, 30 Aug 2013 00:45:42 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Larry Finger <Larry.Finger@...inger.net>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch 1/2] staging: rtl8188eu: off by one in
 rtw_set_802_11_add_wep()

"keyid" is used as an offset into the ->dot11DefKey[] array.  The array
has 4 elements.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/staging/rtl8188eu/core/rtw_ioctl_set.c b/drivers/staging/rtl8188eu/core/rtw_ioctl_set.c
index 9e12774..5fab477 100644
--- a/drivers/staging/rtl8188eu/core/rtw_ioctl_set.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ioctl_set.c
@@ -566,7 +566,7 @@ _func_enter_;
 
 	keyid = wep->KeyIndex & 0x3fffffff;
 
-	if (keyid > 4) {
+	if (keyid >= 4) {
 		RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("MgntActrtw_set_802_11_add_wep:keyid>4 =>fail\n"));
 		ret = false;
 		goto exit;
--
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