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staging: r8188eu: array overflow in rtw_mp_ioctl_hdl()

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MAX_MP_IOCTL_SUBCODE (35) and mp_ioctl_hdl (32 elements) are no longer
in sync.  It leads to a bogus pointer dereference.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2014-02-04 01:38:03 +03:00 committed by Greg Kroah-Hartman
parent 08951f10ae
commit 893134b084
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
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@ -2500,7 +2500,7 @@ static int rtw_mp_ioctl_hdl(struct net_device *dev, struct iw_request_info *info
("rtw_mp_ioctl_hdl: subcode [%d], len[%d], buffer_len[%d]\r\n",
poidparam->subcode, poidparam->len, len));
if (poidparam->subcode >= MAX_MP_IOCTL_SUBCODE) {
if (poidparam->subcode >= ARRAY_SIZE(mp_ioctl_hdl)) {
RT_TRACE(_module_rtl871x_ioctl_os_c, _drv_err_, ("no matching drvext subcodes\r\n"));
ret = -EINVAL;
goto _rtw_mp_ioctl_hdl_exit;