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net: Add compat support for getsockopt (MCAST_MSFILTER)

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This patch adds support for getsockopt for MCAST_MSFILTER for
both IPv4 and IPv6. It depends on the previous setsockopt patch,
and uses the same method.

Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David L Stevens
2008-04-29 03:23:22 -07:00
committed by David S. Miller
parent be666e0a13
commit 42908c69f6
4 changed files with 94 additions and 1 deletions
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9
net/ipv4/ip_sockglue.c
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@@ -1186,7 +1186,14 @@ int ip_getsockopt(struct sock *sk, int level,
int compat_ip_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
int err = do_ip_getsockopt(sk, level, optname, optval, optlen);
int err;
if (optname == MCAST_MSFILTER)
return compat_mc_getsockopt(sk, level, optname, optval, optlen,
ip_getsockopt);
err = do_ip_getsockopt(sk, level, optname, optval, optlen);
#ifdef CONFIG_NETFILTER
/* we need to exclude all possible ENOPROTOOPTs except default case */
if (err == -ENOPROTOOPT && optname != IP_PKTOPTIONS &&