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[SUNRPC]: annotate hash_ip()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Al Viro 2006-11-08 00:22:34 -08:00 committed by David S. Miller
parent 8a74ff7770
commit 4806126d78
1 changed files with 4 additions and 4 deletions
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8
net/sunrpc/svcauth_unix.c
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@ -101,9 +101,9 @@ static void ip_map_put(struct kref *kref)
* IP addresses in reverse-endian (i.e. on a little-endian machine).
* So use a trivial but reliable hash instead
*/
static inline int hash_ip(unsigned long ip)
static inline int hash_ip(__be32 ip)
{
int hash = ip ^ (ip>>16);
int hash = (__force u32)ip ^ ((__force u32)ip>>16);
return (hash ^ (hash>>8)) & 0xff;
}
#endif
@ -284,7 +284,7 @@ static struct ip_map *ip_map_lookup(char *class, struct in_addr addr)
ip.m_addr = addr;
ch = sunrpc_cache_lookup(&ip_map_cache, &ip.h,
hash_str(class, IP_HASHBITS) ^
hash_ip((unsigned long)addr.s_addr));
hash_ip(addr.s_addr));
if (ch)
return container_of(ch, struct ip_map, h);
@ -313,7 +313,7 @@ static int ip_map_update(struct ip_map *ipm, struct unix_domain *udom, time_t ex
ch = sunrpc_cache_update(&ip_map_cache,
&ip.h, &ipm->h,
hash_str(ipm->m_class, IP_HASHBITS) ^
hash_ip((unsigned long)ipm->m_addr.s_addr));
hash_ip(ipm->m_addr.s_addr));
if (!ch)
return -ENOMEM;
cache_put(ch, &ip_map_cache);