diff options
Diffstat (limited to 'net/socket.c')
| -rw-r--r-- | net/socket.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/net/socket.c b/net/socket.c index e3c21d5ec28..e2d5bae994d 100644 --- a/net/socket.c +++ b/net/socket.c @@ -107,6 +107,10 @@ static unsigned int sock_poll(struct file *file, struct poll_table_struct *wait); static long sock_ioctl(struct file *file, unsigned int cmd, unsigned long arg); +#ifdef CONFIG_COMPAT +static long compat_sock_ioctl(struct file *file, + unsigned int cmd, unsigned long arg); +#endif static int sock_fasync(int fd, struct file *filp, int on); static ssize_t sock_readv(struct file *file, const struct iovec *vector, unsigned long count, loff_t *ppos); @@ -128,6 +132,9 @@ static struct file_operations socket_file_ops = { .aio_write = sock_aio_write, .poll = sock_poll, .unlocked_ioctl = sock_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = compat_sock_ioctl, +#endif .mmap = sock_mmap, .open = sock_no_open, /* special open code to disallow open via /proc */ .release = sock_close, @@ -2136,6 +2143,20 @@ void socket_seq_show(struct seq_file *seq) } #endif /* CONFIG_PROC_FS */ +#ifdef CONFIG_COMPAT +static long compat_sock_ioctl(struct file *file, unsigned cmd, + unsigned long arg) +{ + struct socket *sock = file->private_data; + int ret = -ENOIOCTLCMD; + + if (sock->ops->compat_ioctl) + ret = sock->ops->compat_ioctl(sock, cmd, arg); + + return ret; +} +#endif + /* ABI emulation layers need these two */ EXPORT_SYMBOL(move_addr_to_kernel); EXPORT_SYMBOL(move_addr_to_user); |