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netfilter: fix a few (harmless) sparse warnings

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net/netfilter/nft_payload.c:187:18: warning: incorrect type in return expression (expected bool got restricted __sum16 [usertype] check)
net/netfilter/nft_exthdr.c:222:14: warning: cast to restricted __be32
net/netfilter/nft_rt.c:49:23: warning: incorrect type in assignment (different base types expected unsigned int got restricted __be32)
net/netfilter/nft_rt.c:70:25: warning: symbol 'nft_rt_policy' was not declared. Should it be static?

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal 2017-08-21 16:19:26 +02:00 committed by Pablo Neira Ayuso
parent c816c2558e
commit 5fd02ebe65
3 changed files with 5 additions and 5 deletions
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2
net/netfilter/nft_exthdr.c
View file

@ -388,7 +388,7 @@ nft_exthdr_select_ops(const struct nft_ctx *ctx,
if (tb[NFTA_EXTHDR_SREG] && tb[NFTA_EXTHDR_DREG])
return ERR_PTR(-EOPNOTSUPP);
op = ntohl(nla_get_u32(tb[NFTA_EXTHDR_OP]));
op = ntohl(nla_get_be32(tb[NFTA_EXTHDR_OP]));
switch (op) {
case NFT_EXTHDR_OP_TCPOPT:
if (tb[NFTA_EXTHDR_SREG])

2
net/netfilter/nft_payload.c
View file

@ -184,7 +184,7 @@ static bool nft_payload_udp_checksum(struct sk_buff *skb, unsigned int thoff)
if (!uh)
return false;
return uh->check;
return (__force bool)uh->check;
}
static int nft_payload_l4csum_offset(const struct nft_pktinfo *pkt,

6
net/netfilter/nft_rt.c
View file

@ -82,8 +82,8 @@ static void nft_rt_get_eval(const struct nft_expr *expr,
if (nft_pf(pkt) != NFPROTO_IPV4)
goto err;
*dest = rt_nexthop((const struct rtable *)dst,
ip_hdr(skb)->daddr);
*dest = (__force u32)rt_nexthop((const struct rtable *)dst,
ip_hdr(skb)->daddr);
break;
case NFT_RT_NEXTHOP6:
if (nft_pf(pkt) != NFPROTO_IPV6)
@ -106,7 +106,7 @@ err:
regs->verdict.code = NFT_BREAK;
}
const struct nla_policy nft_rt_policy[NFTA_RT_MAX + 1] = {
static const struct nla_policy nft_rt_policy[NFTA_RT_MAX + 1] = {
[NFTA_RT_DREG] = { .type = NLA_U32 },
[NFTA_RT_KEY] = { .type = NLA_U32 },
};