Add missing __user macro to second parameter of ethtool_ioctl().
This removes the need for the offending (void *) cast of the user space pointer
rq->ifr_data.

Signed-off-by: James A Shackleford <sh...@linux.com>
---
 drivers/staging/vt6655/device_main.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/vt6655/device_main.c 
b/drivers/staging/vt6655/device_main.c
index 1d3908d..2327386 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -302,7 +302,7 @@ static int  device_dma0_tx_80211(struct sk_buff *skb, 
struct net_device *dev);
 //2008-0714<Add>by Mike Liu
 static bool device_release_WPADEV(PSDevice pDevice);
 
-static int  ethtool_ioctl(struct net_device *dev, void *useraddr);
+static int  ethtool_ioctl(struct net_device *dev, void __user *useraddr);
 static int  device_rx_srv(PSDevice pDevice, unsigned int uIdx);
 static int  device_tx_srv(PSDevice pDevice, unsigned int uIdx);
 static bool device_alloc_rx_buf(PSDevice pDevice, PSRxDesc pDesc);
@@ -3067,7 +3067,7 @@ static int  device_ioctl(struct net_device *dev, struct 
ifreq *rq, int cmd) {
                break;
 
        case SIOCETHTOOL:
-               return ethtool_ioctl(dev, (void *)rq->ifr_data);
+               return ethtool_ioctl(dev, rq->ifr_data);
                // All other calls are currently unsupported
 
        default:
@@ -3103,7 +3103,7 @@ static int  device_ioctl(struct net_device *dev, struct 
ifreq *rq, int cmd) {
        return rc;
 }
 
-static int ethtool_ioctl(struct net_device *dev, void *useraddr)
+static int ethtool_ioctl(struct net_device *dev, void __user *useraddr)
 {
        u32 ethcmd;
 
-- 
1.7.9.5

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