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>

1 files changed, 10 insertions, 0 deletions

diff --git a/net/socket.c b/net/socket.c
index 66c4a8cf6db9..81fe82513046 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -90,6 +90,7 @@
 #include <asm/unistd.h>
 
 #include <net/compat.h>
+#include <net/wext.h>
 
 #include <net/sock.h>
 #include <linux/netfilter.h>
@@ -2210,10 +2211,19 @@ static long compat_sock_ioctl(struct file *file, unsigned cmd,
 {
         struct socket *sock = file->private_data;
         int ret = -ENOIOCTLCMD;
+        struct sock *sk;
+        struct net *net;
+
+        sk = sock->sk;
+        net = sock_net(sk);
 
         if (sock->ops->compat_ioctl)
                 ret = sock->ops->compat_ioctl(sock, cmd, arg);
 
+        if (ret == -ENOIOCTLCMD &&
+            (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST))
+                ret = compat_wext_handle_ioctl(net, cmd, arg);
+
         return ret;
 }
 #endif