[PATCH] staging: vt6655: fix sparse warning "cast removes address space of expression"
James A Shackleford
shack at linux.com
Sun Jun 1 00:09:05 UTC 2014
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 <shack at 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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