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net: pass a sockptr_t into ->setsockopt

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Rework the remaining setsockopt code to pass a sockptr_t instead of a
plain user pointer.  This removes the last remaining set_fs(KERNEL_DS)
outside of architecture specific code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org> [ieee802154]
Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Hellwig
2020-07-23 08:09:07 +02:00
committed by David S. Miller
parent d38d2b00ba
commit a7b75c5a8c
61 changed files with 246 additions and 258 deletions
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13
net/ipv4/ip_sockglue.c
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@@ -1401,21 +1401,19 @@ void ipv4_pktinfo_prepare(const struct sock *sk, struct sk_buff *skb)
skb_dst_drop(skb);
}
int ip_setsockopt(struct sock *sk, int level,
int optname, char __user *optval, unsigned int optlen)
int ip_setsockopt(struct sock *sk, int level, int optname, sockptr_t optval,
unsigned int optlen)
{
int err;
if (level != SOL_IP)
return -ENOPROTOOPT;
err = do_ip_setsockopt(sk, level, optname, USER_SOCKPTR(optval),
optlen);
err = do_ip_setsockopt(sk, level, optname, optval, optlen);
#if IS_ENABLED(CONFIG_BPFILTER_UMH)
if (optname >= BPFILTER_IPT_SO_SET_REPLACE &&
optname < BPFILTER_IPT_SET_MAX)
err = bpfilter_ip_set_sockopt(sk, optname, USER_SOCKPTR(optval),
optlen);
err = bpfilter_ip_set_sockopt(sk, optname, optval, optlen);
#endif
#ifdef CONFIG_NETFILTER
/* we need to exclude all possible ENOPROTOOPTs except default case */
@@ -1423,8 +1421,7 @@ int ip_setsockopt(struct sock *sk, int level,
optname != IP_IPSEC_POLICY &&
optname != IP_XFRM_POLICY &&
!ip_mroute_opt(optname))
err = nf_setsockopt(sk, PF_INET, optname, USER_SOCKPTR(optval),
optlen);
err = nf_setsockopt(sk, PF_INET, optname, optval, optlen);
#endif
return err;
}