From: Arnd Bergmann <arnd@xxxxxxxx> commit 9d7bf41fafa5b5ddd4c13eb39446b0045f0a8167 upstream. Unlike the normal SIOCOUTQ, SIOCOUTQNSD was never handled in compat mode. Add it to the common socket compat handler along with similar ones. Fixes: 2f4e1b397097 ("tcp: ioctl type SIOCOUTQNSD returns amount of data not sent") Cc: Eric Dumazet <edumazet@xxxxxxxxxx> Cc: netdev@xxxxxxxxxxxxxxx Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/socket.c | 1 + 1 file changed, 1 insertion(+) --- a/net/socket.c +++ b/net/socket.c @@ -3143,6 +3143,7 @@ static int compat_sock_ioctl_trans(struc case SIOCSARP: case SIOCGARP: case SIOCDARP: + case SIOCOUTQNSD: case SIOCATMARK: return sock_do_ioctl(net, sock, cmd, arg); }