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net: fix sparse endianness warnings on sock_common

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# make C=2 CF=-D__CHECK_ENDIAN__ net/ipv4/inet_hashtables.o
...
net/ipv4/inet_hashtables.c:242:7: warning: restricted __portpair degrades to integer
net/ipv4/inet_hashtables.c:242:7: warning: restricted __addrpair degrades to integer
...

Move __portpair/__addrpair from include/net/inet_hashtables.h
to include/net/sock.h where we need them in struct sock_common

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ling Ma <ling.ma.program@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2012-12-02 07:33:10 +00:00 committed by David S. Miller
parent 049b467d7a
commit 077b393d05
2 changed files with 5 additions and 4 deletions
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2
include/net/inet_hashtables.h
View File

@ -277,7 +277,6 @@ static inline struct sock *inet_lookup_listener(struct net *net,
On 64bit targets we combine comparisons with pair of adjacent __be32
fields in the same way.
*/
typedef __u32 __bitwise __portpair;
#ifdef __BIG_ENDIAN
#define INET_COMBINED_PORTS(__sport, __dport) \
((__force __portpair)(((__force __u32)(__be16)(__sport) << 16) | (__u32)(__dport)))
@ -287,7 +286,6 @@ typedef __u32 __bitwise __portpair;
#endif
#if (BITS_PER_LONG == 64)
typedef __u64 __bitwise __addrpair;
#ifdef __BIG_ENDIAN
#define INET_ADDR_COOKIE(__name, __saddr, __daddr) \
const __addrpair __name = (__force __addrpair) ( \

7
include/net/sock.h
View File

@ -126,6 +126,9 @@ struct sock;
struct proto;
struct net;
typedef __u32 __bitwise __portpair;
typedef __u64 __bitwise __addrpair;
/**
* struct sock_common - minimal network layer representation of sockets
* @skc_daddr: Foreign IPv4 addr
@ -155,7 +158,7 @@ struct sock_common {
* address on 64bit arches : cf INET_MATCH() and INET_TW_MATCH()
*/
union {
unsigned long skc_addrpair;
__addrpair skc_addrpair;
struct {
__be32 skc_daddr;
__be32 skc_rcv_saddr;
@ -167,7 +170,7 @@ struct sock_common {
};
/* skc_dport && skc_num must be grouped as well */
union {
u32 skc_portpair;
__portpair skc_portpair;
struct {
__be16 skc_dport;
__u16 skc_num;