compat_ioctl: move SIOCOUTQ out of compat_ioctl.c

All users of this call are in socket or tty code, so handling
it there means we can avoid the table entry in fs/compat_ioctl.c.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

drivers/tty/tty_io.c

@@ -2755,6 +2755,7 @@ static long tty_compat_ioctl(struct file *file, unsigned int cmd,
 	int retval = -ENOIOCTLCMD;
 
 	switch (cmd) {
+	case TIOCOUTQ:
 	case TIOCSTI:
 	case TIOCGWINSZ:
 	case TIOCSWINSZ:

fs/compat_ioctl.c

@@ -198,8 +198,6 @@ static int ppp_scompress(struct file *file, unsigned int cmd,
 
 #define COMPATIBLE_IOCTL(cmd) XFORM((u32)cmd),
 static unsigned int ioctl_pointer[] = {
-/* Little t */
-COMPATIBLE_IOCTL(TIOCOUTQ)
 #ifdef CONFIG_BLOCK
 /* Big S */
 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)

net/socket.c

@@ -100,6 +100,7 @@
 #include <linux/if_tun.h>
 #include <linux/ipv6_route.h>
 #include <linux/route.h>
+#include <linux/termios.h>
 #include <linux/sockios.h>
 #include <net/busy_poll.h>
 #include <linux/errqueue.h>
@@ -3452,6 +3453,7 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
 	case SIOCSARP:
 	case SIOCGARP:
 	case SIOCDARP:
+	case SIOCOUTQ:
 	case SIOCOUTQNSD:
 	case SIOCATMARK:
 		return sock_do_ioctl(net, sock, cmd, arg);