Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit cd922740 authored by Xiaochen Wang's avatar Xiaochen Wang Committed by Greg Kroah-Hartman
Browse files

staging: rtl8712: check copy_from_user return value 



Description:return -EFAULT if copy_to_user() fails

Signed-off-by: default avatarXiaochen Wang <wangxiaochen0@gmail.com>
Acked-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 9603ff50

drivers/staging/rtl8712/rtl871x_ioctl_linux.c

+2 −2
Original line number Diff line number Diff line
@@ -1970,9 +1970,9 @@ static int r871x_wps_start(struct net_device *dev, 
	struct _adapter *padapter = (struct _adapter *)_netdev_priv(dev);

	struct iw_point *pdata = &wrqu->data;

	u32   u32wps_start = 0;

	unsigned int uintRet = 0;



	uintRet = copy_from_user((void *)&u32wps_start, pdata->pointer, 4);

	if (copy_from_user((void *)&u32wps_start, pdata->pointer, 4))

		return -EFAULT;

	if ((padapter->bDriverStopped) || (pdata == NULL))

		return -EINVAL;

	if (u32wps_start == 0)