1 files changed, 19 insertions, 0 deletions

diff --git a/net/atm/svc.c b/net/atm/svc.c
index 8fb54dc870b3..7b831b526d0b 100644
--- a/net/atm/svc.c
+++ b/net/atm/svc.c
@@ -608,6 +608,22 @@ static int svc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
         return error;
 }
 
+#ifdef CONFIG_COMPAT
+static int svc_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+        /* The definition of ATM_ADDPARTY uses the size of struct atm_iobuf.
+           But actually it takes a struct sockaddr_atmsvc, which doesn't need
+           compat handling. So all we have to do is fix up cmd... */
+        if (cmd == COMPAT_ATM_ADDPARTY)
+                cmd = ATM_ADDPARTY;
+
+        if (cmd == ATM_ADDPARTY || cmd == ATM_DROPPARTY)
+                return svc_ioctl(sock, cmd, arg);
+        else
+                return vcc_compat_ioctl(sock, cmd, arg);
+}
+#endif /* CONFIG_COMPAT */
+
 static const struct proto_ops svc_proto_ops = {
         .family =       PF_ATMSVC,
         .owner =        THIS_MODULE,
@@ -620,6 +636,9 @@ static const struct proto_ops svc_proto_ops = {
         .getname =      svc_getname,
         .poll =         vcc_poll,
         .ioctl =        svc_ioctl,
+#ifdef CONFIG_COMPAT
+        .compat_ioctl = svc_compat_ioctl,
+#endif
         .listen =       svc_listen,
         .shutdown =     svc_shutdown,
         .setsockopt =   svc_setsockopt,