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netfilter: nat: nf_nat_mangle_{udp,tcp}_packet returns boolean

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nf_nat_mangle_{udp,tcp}_packet() returns int. However, it is used as
bool type in many spots. Fix this by consistently handle this return
value as a boolean.

Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Gao Feng
2017-03-27 23:12:08 +08:00
committed by Pablo Neira Ayuso
parent ec0e3f0111
commit cba81cc4c9
6 changed files with 65 additions and 64 deletions
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36
include/net/netfilter/nf_nat_helper.h
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@@ -7,31 +7,31 @@
struct sk_buff;
/* These return true or false. */
int __nf_nat_mangle_tcp_packet(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int protoff, unsigned int match_offset,
unsigned int match_len, const char *rep_buffer,
unsigned int rep_len, bool adjust);
bool __nf_nat_mangle_tcp_packet(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int protoff, unsigned int match_offset,
unsigned int match_len, const char *rep_buffer,
unsigned int rep_len, bool adjust);
static inline int nf_nat_mangle_tcp_packet(struct sk_buff *skb,
struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int protoff,
unsigned int match_offset,
unsigned int match_len,
const char *rep_buffer,
unsigned int rep_len)
static inline bool nf_nat_mangle_tcp_packet(struct sk_buff *skb,
struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int protoff,
unsigned int match_offset,
unsigned int match_len,
const char *rep_buffer,
unsigned int rep_len)
{
return __nf_nat_mangle_tcp_packet(skb, ct, ctinfo, protoff,
match_offset, match_len,
rep_buffer, rep_len, true);
}
int nf_nat_mangle_udp_packet(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int protoff, unsigned int match_offset,
unsigned int match_len, const char *rep_buffer,
unsigned int rep_len);
bool nf_nat_mangle_udp_packet(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int protoff, unsigned int match_offset,
unsigned int match_len, const char *rep_buffer,
unsigned int rep_len);
/* Setup NAT on this expected conntrack so it follows master, but goes
* to port ct->master->saved_proto. */