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Commit c7228317 authored by Joe Perches's avatar Joe Perches Committed by David S. Miller
Browse files

net: Use a more standard macro for INET_ADDR_COOKIE



Missing a colon on definition use is a bit odd so
change the macro for the 32 bit case to declare an
__attribute__((unused)) and __deprecated variable.

The __deprecated attribute will cause gcc to emit
an error if the variable is actually used.

Signed-off-by: default avatarJoe Perches <joe@perches.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 126e6122
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+5 −3
Original line number Diff line number Diff line
@@ -292,12 +292,12 @@ static inline struct sock *inet_lookup_listener(struct net *net,
#define INET_ADDR_COOKIE(__name, __saddr, __daddr) \
	const __addrpair __name = (__force __addrpair) ( \
				   (((__force __u64)(__be32)(__saddr)) << 32) | \
				   ((__force __u64)(__be32)(__daddr)));
				   ((__force __u64)(__be32)(__daddr)))
#else /* __LITTLE_ENDIAN */
#define INET_ADDR_COOKIE(__name, __saddr, __daddr) \
	const __addrpair __name = (__force __addrpair) ( \
				   (((__force __u64)(__be32)(__daddr)) << 32) | \
				   ((__force __u64)(__be32)(__saddr)));
				   ((__force __u64)(__be32)(__saddr)))
#endif /* __BIG_ENDIAN */
#define INET_MATCH(__sk, __net, __cookie, __saddr, __daddr, __ports, __dif)	\
	(((__sk)->sk_portpair == (__ports))			&&	\
@@ -306,7 +306,9 @@ static inline struct sock *inet_lookup_listener(struct net *net,
	   ((__sk)->sk_bound_dev_if == (__dif))) 		&& 	\
	 net_eq(sock_net(__sk), (__net)))
#else /* 32-bit arch */
#define INET_ADDR_COOKIE(__name, __saddr, __daddr)
#define INET_ADDR_COOKIE(__name, __saddr, __daddr) \
	const int __name __deprecated __attribute__((unused))

#define INET_MATCH(__sk, __net, __cookie, __saddr, __daddr, __ports, __dif) \
	(((__sk)->sk_portpair == (__ports))		&&		\
	 ((__sk)->sk_daddr	== (__saddr))		&&		\
+2 −2
Original line number Diff line number Diff line
@@ -274,7 +274,7 @@ struct sock *__inet_lookup_established(struct net *net,
				  const __be32 daddr, const u16 hnum,
				  const int dif)
{
	INET_ADDR_COOKIE(acookie, saddr, daddr)
	INET_ADDR_COOKIE(acookie, saddr, daddr);
	const __portpair ports = INET_COMBINED_PORTS(sport, hnum);
	struct sock *sk;
	const struct hlist_nulls_node *node;
@@ -327,7 +327,7 @@ static int __inet_check_established(struct inet_timewait_death_row *death_row,
	__be32 daddr = inet->inet_rcv_saddr;
	__be32 saddr = inet->inet_daddr;
	int dif = sk->sk_bound_dev_if;
	INET_ADDR_COOKIE(acookie, saddr, daddr)
	INET_ADDR_COOKIE(acookie, saddr, daddr);
	const __portpair ports = INET_COMBINED_PORTS(inet->inet_dport, lport);
	struct net *net = sock_net(sk);
	unsigned int hash = inet_ehashfn(net, daddr, lport,
+1 −1
Original line number Diff line number Diff line
@@ -1875,7 +1875,7 @@ static struct sock *__udp4_lib_demux_lookup(struct net *net,
	unsigned int hash2 = udp4_portaddr_hash(net, loc_addr, hnum);
	unsigned int slot2 = hash2 & udp_table.mask;
	struct udp_hslot *hslot2 = &udp_table.hash2[slot2];
	INET_ADDR_COOKIE(acookie, rmt_addr, loc_addr)
	INET_ADDR_COOKIE(acookie, rmt_addr, loc_addr);
	const __portpair ports = INET_COMBINED_PORTS(rmt_port, hnum);

	rcu_read_lock();