diff options
| author |   Dmitry Mishin <dim@openvz.org> | 2006-03-20 22:45:21 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2006-03-20 22:45:21 -0800 |
| commit | 3fdadf7d27e3fbcf72930941884387d1f4936f04 (patch) | |
| tree | 167072cf1e60b6b307610563614b435ff0caa52d /net/ipv4/udp.c | |
| parent | [IPV6]: remove useless test in ip6_append_data (diff) | |
| download | linux-dev-3fdadf7d27e3fbcf72930941884387d1f4936f04.tar.xz linux-dev-3fdadf7d27e3fbcf72930941884387d1f4936f04.zip | |
[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 <dim@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/udp.c')
| -rw-r--r-- | net/ipv4/udp.c | 51 |
1 files changed, 43 insertions, 8 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 00840474a449..0b0721bd45c6 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1207,16 +1207,13 @@ static int udp_destroy_sock(struct sock *sk) /* * Socket option code for UDP */ -static int udp_setsockopt(struct sock *sk, int level, int optname, +static int do_udp_setsockopt(struct sock *sk, int level, int optname, char __user *optval, int optlen) { struct udp_sock *up = udp_sk(sk); int val; int err = 0; - if (level != SOL_UDP) - return ip_setsockopt(sk, level, optname, optval, optlen); - if(optlen<sizeof(int)) return -EINVAL; @@ -1256,15 +1253,31 @@ static int udp_setsockopt(struct sock *sk, int level, int optname, return err; } -static int udp_getsockopt(struct sock *sk, int level, int optname, +static int udp_setsockopt(struct sock *sk, int level, int optname, + char __user *optval, int optlen) +{ + if (level != SOL_UDP) + return ip_setsockopt(sk, level, optname, optval, optlen); + return do_udp_setsockopt(sk, level, optname, optval, optlen); +} + +#ifdef CONFIG_COMPAT +static int compat_udp_setsockopt(struct sock *sk, int level, int optname, + char __user *optval, int optlen) +{ + if (level != SOL_UDP) + return compat_ip_setsockopt(sk, level, + optname, optval, optlen); + return do_udp_setsockopt(sk, level, optname, optval, optlen); +} +#endif + +static int do_udp_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen) { struct udp_sock *up = udp_sk(sk); int val, len; - if (level != SOL_UDP) - return ip_getsockopt(sk, level, optname, optval, optlen); - if(get_user(len,optlen)) return -EFAULT; @@ -1293,6 +1306,24 @@ static int udp_getsockopt(struct sock *sk, int level, int optname, return 0; } +static int udp_getsockopt(struct sock *sk, int level, int optname, + char __user *optval, int __user *optlen) +{ + if (level != SOL_UDP) + return ip_getsockopt(sk, level, optname, optval, optlen); + return do_udp_getsockopt(sk, level, optname, optval, optlen); +} + +#ifdef CONFIG_COMPAT +static int compat_udp_getsockopt(struct sock *sk, int level, int optname, + char __user *optval, int __user *optlen) +{ + if (level != SOL_UDP) + return compat_ip_getsockopt(sk, level, + optname, optval, optlen); + return do_udp_getsockopt(sk, level, optname, optval, optlen); +} +#endif /** * udp_poll - wait for a UDP event. * @file - file struct @@ -1350,6 +1381,10 @@ struct proto udp_prot = { .destroy = udp_destroy_sock, .setsockopt = udp_setsockopt, .getsockopt = udp_getsockopt, +#ifdef CONFIG_COMPAT + .compat_setsockopt = compat_udp_setsockopt, + .compat_getsockopt = compat_udp_getsockopt, +#endif .sendmsg = udp_sendmsg, .recvmsg = udp_recvmsg, .sendpage = udp_sendpage, |