From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 29 Aug 2013 21:45:42 +0000 (+0300)
Subject: staging: rtl8188eu: off by one in rtw_set_802_11_add_wep()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=dc427fe72bcb281a3ff07183da2d4f277f41524e;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/rtl8188eu/core/rtw_ioctl_set.c b/drivers/staging/rtl8188eu/core/rtw_ioctl_set.c
index 47fb253fff17..193f641bd0de 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;