[NET]: {get|set}sockopt compatibility layer

[linux-block.git] / net / dccp / proto.c

diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index baccaf35ffbda1129690b6271d544c08ed9c59d6..59b214995f28e517689000054a0262f114442fae 100644 (file)
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -455,18 +455,13 @@ out_free_val:
        goto out;
 }
 
-int dccp_setsockopt(struct sock *sk, int level, int optname,
-                   char __user *optval, int optlen)
+static int do_dccp_setsockopt(struct sock *sk, int level, int optname,
+               char __user *optval, int optlen)
 {
        struct dccp_sock *dp;
        int err;
        int val;
 
-       if (level != SOL_DCCP)
-               return inet_csk(sk)->icsk_af_ops->setsockopt(sk, level,
-                                                            optname, optval,
-                                                            optlen);
-
        if (optlen < sizeof(int))
                return -EINVAL;
 
@@ -512,8 +507,34 @@ int dccp_setsockopt(struct sock *sk, int level, int optname,
        return err;
 }
 
+int dccp_setsockopt(struct sock *sk, int level, int optname,
+                   char __user *optval, int optlen)
+{
+       if (level != SOL_DCCP)
+               return inet_csk(sk)->icsk_af_ops->setsockopt(sk, level,
+                                                            optname, optval,
+                                                            optlen);
+       return do_dccp_setsockopt(sk, level, optname, optval, optlen);
+}
 EXPORT_SYMBOL_GPL(dccp_setsockopt);
 
+#ifdef CONFIG_COMPAT
+int compat_dccp_setsockopt(struct sock *sk, int level, int optname,
+                   char __user *optval, int optlen)
+{
+       if (level != SOL_DCCP) {
+               if (inet_csk(sk)->icsk_af_ops->compat_setsockopt)
+                       return inet_csk(sk)->icsk_af_ops->compat_setsockopt(sk,
+                               level, optname, optval, optlen);
+               else
+                       return inet_csk(sk)->icsk_af_ops->setsockopt(sk,
+                               level, optname, optval, optlen);
+       }
+       return do_dccp_setsockopt(sk, level, optname, optval, optlen);
+}
+EXPORT_SYMBOL_GPL(compat_dccp_setsockopt);
+#endif
+
 static int dccp_getsockopt_service(struct sock *sk, int len,
                                   __be32 __user *optval,
                                   int __user *optlen)
@@ -545,16 +566,12 @@ out:
        return err;
 }
 
-int dccp_getsockopt(struct sock *sk, int level, int optname,
+static int do_dccp_getsockopt(struct sock *sk, int level, int optname,
                    char __user *optval, int __user *optlen)
 {
        struct dccp_sock *dp;
        int val, len;
 
-       if (level != SOL_DCCP)
-               return inet_csk(sk)->icsk_af_ops->getsockopt(sk, level,
-                                                            optname, optval,
-                                                            optlen);
        if (get_user(len, optlen))
                return -EFAULT;
 
@@ -587,8 +604,34 @@ int dccp_getsockopt(struct sock *sk, int level, int optname,
        return 0;
 }
 
+int dccp_getsockopt(struct sock *sk, int level, int optname,
+                   char __user *optval, int __user *optlen)
+{
+       if (level != SOL_DCCP)
+               return inet_csk(sk)->icsk_af_ops->getsockopt(sk, level,
+                                                            optname, optval,
+                                                            optlen);
+       return do_dccp_getsockopt(sk, level, optname, optval, optlen);
+}
 EXPORT_SYMBOL_GPL(dccp_getsockopt);
 
+#ifdef CONFIG_COMPAT
+int compat_dccp_getsockopt(struct sock *sk, int level, int optname,
+                   char __user *optval, int __user *optlen)
+{
+       if (level != SOL_DCCP) {
+               if (inet_csk(sk)->icsk_af_ops->compat_setsockopt)
+                       return inet_csk(sk)->icsk_af_ops->compat_getsockopt(sk,
+                               level, optname, optval, optlen);
+               else
+                       return inet_csk(sk)->icsk_af_ops->getsockopt(sk,
+                               level, optname, optval, optlen);
+       }
+       return do_dccp_getsockopt(sk, level, optname, optval, optlen);
+}
+EXPORT_SYMBOL_GPL(compat_dccp_getsockopt);
+#endif
+
 int dccp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
                 size_t len)
 {