wext: Dispatch and handle compat ioctls entirely in net/wireless/wext.c
Next we can kill the hacks in fs/compat_ioctl.c and also
dispatch compat ioctls down into the driver and 80211 protocol
helper layers in order to handle iw_point objects embedded in
stream replies which need to be translated.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/wireless.h b/include/linux/wireless.h
index 4a95a0e..79d8468 100644
--- a/include/linux/wireless.h
+++ b/include/linux/wireless.h
@@ -677,6 +677,19 @@
__u16 flags; /* Optional params */
};
+#ifdef __KERNEL__
+#ifdef CONFIG_COMPAT
+
+#include <linux/compat.h>
+
+struct compat_iw_point {
+ compat_caddr_t pointer;
+ __u16 length;
+ __u16 flags;
+};
+#endif
+#endif
+
/*
* A frequency
* For numbers lower than 10^9, we encode the number in 'm' and
diff --git a/include/net/wext.h b/include/net/wext.h
index 80b31d8..6d76a39 100644
--- a/include/net/wext.h
+++ b/include/net/wext.h
@@ -12,6 +12,8 @@
extern void wext_proc_exit(struct net *net);
extern int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd,
void __user *arg);
+extern int compat_wext_handle_ioctl(struct net *net, unsigned int cmd,
+ unsigned long arg);
#else
static inline int wext_proc_init(struct net *net)
{
@@ -26,6 +28,11 @@
{
return -EINVAL;
}
+static inline int compat_wext_handle_ioctl(struct net *net, unsigned int cmd,
+ unsigned long arg)
+{
+ return -EINVAL;
+}
#endif
#endif /* __NET_WEXT_H */