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>

2 files changed, 20 insertions, 0 deletions

diff --git a/include/linux/wireless.h b/include/linux/wireless.h
index 4a95a0e5eeca..79d846875825 100644
--- a/include/linux/wireless.h
+++ b/include/linux/wireless.h
@@ -677,6 +677,19 @@ struct	iw_point
   __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 80b31d826b7a..6d76a39a9c5b 100644
--- a/include/net/wext.h
+++ b/include/net/wext.h
@@ -12,6 +12,8 @@ extern int wext_proc_init(struct net *net);
 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 @@ static inline int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned
 {
         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 */