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path: root/drivers/net/slip/slip.c
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Diffstat (limited to 'drivers/net/slip/slip.c')
-rw-r--r--drivers/net/slip/slip.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c
index dc84cb844319..5435b5689ce6 100644
--- a/drivers/net/slip/slip.c
+++ b/drivers/net/slip/slip.c
@@ -62,6 +62,7 @@
*/
#define SL_CHECK_TRANSMIT
+#include <linux/compat.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
@@ -108,7 +109,7 @@ static void slip_unesc6(struct slip *sl, unsigned char c);
#ifdef CONFIG_SLIP_SMART
static void sl_keepalive(struct timer_list *t);
static void sl_outfill(struct timer_list *t);
-static int sl_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
+static int sl_siocdevprivate(struct net_device *dev, struct ifreq *rq, void __user *data, int cmd);
#endif
/********************************
@@ -647,7 +648,7 @@ static const struct net_device_ops sl_netdev_ops = {
.ndo_change_mtu = sl_change_mtu,
.ndo_tx_timeout = sl_tx_timeout,
#ifdef CONFIG_SLIP_SMART
- .ndo_do_ioctl = sl_ioctl,
+ .ndo_siocdevprivate = sl_siocdevprivate,
#endif
};
@@ -1179,11 +1180,12 @@ static int slip_ioctl(struct tty_struct *tty, struct file *file,
/* VSV changes start here */
#ifdef CONFIG_SLIP_SMART
-/* function do_ioctl called from net/core/dev.c
+/* function sl_siocdevprivate called from net/core/dev.c
to allow get/set outfill/keepalive parameter
by ifconfig */
-static int sl_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+static int sl_siocdevprivate(struct net_device *dev, struct ifreq *rq,
+ void __user *data, int cmd)
{
struct slip *sl = netdev_priv(dev);
unsigned long *p = (unsigned long *)&rq->ifr_ifru;
@@ -1191,6 +1193,9 @@ static int sl_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
if (sl == NULL) /* Allocation failed ?? */
return -ENODEV;
+ if (in_compat_syscall())
+ return -EOPNOTSUPP;
+
spin_lock_bh(&sl->lock);
if (!sl->tty) {