Merge tag 'compat-ioctl-5.5' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd...

[linux-2.6-block.git] / net / unix / af_unix.c

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 193cba2d777b26b2f102227b9bd7b7c2580bf156..7cfdce10de36b70104229e122d76aea272d80a05 100644 (file)
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -644,6 +644,9 @@ static __poll_t unix_poll(struct file *, struct socket *, poll_table *);
 static __poll_t unix_dgram_poll(struct file *, struct socket *,
                                    poll_table *);
 static int unix_ioctl(struct socket *, unsigned int, unsigned long);
+#ifdef CONFIG_COMPAT
+static int unix_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
+#endif
 static int unix_shutdown(struct socket *, int);
 static int unix_stream_sendmsg(struct socket *, struct msghdr *, size_t);
 static int unix_stream_recvmsg(struct socket *, struct msghdr *, size_t, int);
@@ -685,6 +688,9 @@ static const struct proto_ops unix_stream_ops = {
        .getname =      unix_getname,
        .poll =         unix_poll,
        .ioctl =        unix_ioctl,
+#ifdef CONFIG_COMPAT
+       .compat_ioctl = unix_compat_ioctl,
+#endif
        .listen =       unix_listen,
        .shutdown =     unix_shutdown,
        .setsockopt =   sock_no_setsockopt,
@@ -708,6 +714,9 @@ static const struct proto_ops unix_dgram_ops = {
        .getname =      unix_getname,
        .poll =         unix_dgram_poll,
        .ioctl =        unix_ioctl,
+#ifdef CONFIG_COMPAT
+       .compat_ioctl = unix_compat_ioctl,
+#endif
        .listen =       sock_no_listen,
        .shutdown =     unix_shutdown,
        .setsockopt =   sock_no_setsockopt,
@@ -730,6 +739,9 @@ static const struct proto_ops unix_seqpacket_ops = {
        .getname =      unix_getname,
        .poll =         unix_dgram_poll,
        .ioctl =        unix_ioctl,
+#ifdef CONFIG_COMPAT
+       .compat_ioctl = unix_compat_ioctl,
+#endif
        .listen =       unix_listen,
        .shutdown =     unix_shutdown,
        .setsockopt =   sock_no_setsockopt,
@@ -2580,6 +2592,13 @@ static int unix_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
        return err;
 }
 
+#ifdef CONFIG_COMPAT
+static int unix_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+       return unix_ioctl(sock, cmd, (unsigned long)compat_ptr(arg));
+}
+#endif
+
 static __poll_t unix_poll(struct file *file, struct socket *sock, poll_table *wait)
 {
        struct sock *sk = sock->sk;