From 3fdadf7d27e3fbcf72930941884387d1f4936f04 Mon Sep 17 00:00:00 2001 From: Dmitry Mishin Date: Mon, 20 Mar 2006 22:45:21 -0800 Subject: [NET]: {get|set}sockopt compatibility layer This patch extends {get|set}sockopt compatibility layer in order to move protocol specific parts to their place and avoid huge universal net/compat.c file in the future. Signed-off-by: Dmitry Mishin Signed-off-by: David S. Miller --- net/dccp/proto.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++---------- 1 file changed, 55 insertions(+), 12 deletions(-) (limited to 'net/dccp/proto.c') diff --git a/net/dccp/proto.c b/net/dccp/proto.c index baccaf35ffbd..59b214995f28 100644 --- 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) { -- cgit v1.2.3-59-g8ed1b