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Date: Tue, 13 May 2014 20:30:07 -0700
From: Joe Perches <joe@...ches.com>
To: "David S. Miller" <davem@...emloft.net>
Cc: netdev <netdev@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] 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: Joe Perches <joe@...ches.com>
---
include/net/inet_hashtables.h | 8 +++++---
net/ipv4/inet_hashtables.c | 4 ++--
net/ipv4/udp.c | 2 +-
3 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index 1bdb477..dd1950a 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -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)) && \
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 8b9cf27..c080aef 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -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,
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 54ea0a3..f3ce8d0 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -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();
--
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