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| author |   Takashi Iwai <tiwai@suse.de> | 2012-08-03 12:59:38 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-08-03 12:59:38 +0200 |
| commit | d30a0d839a5a282e43353fee53d5dc70db5eceda (patch) | |
| tree | 189a91615be3174a9ff8b20937359d11298433af /net/sunrpc/svcauth_unix.c | |
| parent | ALSA: emu10k1: Avoid access to invalid pages when period=1 (diff) | |
| parent | ALSA: isa: Move snd_legacy_find_free_ioport to initval.h (diff) | |
| download | linux-dev-d30a0d839a5a282e43353fee53d5dc70db5eceda.tar.xz linux-dev-d30a0d839a5a282e43353fee53d5dc70db5eceda.zip | |
Merge branch 'topic/next' into for-next
Diffstat (limited to 'net/sunrpc/svcauth_unix.c')
| -rw-r--r-- | net/sunrpc/svcauth_unix.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c index 2777fa896645..4d0129203733 100644 --- a/net/sunrpc/svcauth_unix.c +++ b/net/sunrpc/svcauth_unix.c @@ -104,23 +104,9 @@ static void ip_map_put(struct kref *kref) kfree(im); } -#if IP_HASHBITS == 8 -/* hash_long on a 64 bit machine is currently REALLY BAD for - * 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(__be32 ip) -{ - int hash = (__force u32)ip ^ ((__force u32)ip>>16); - return (hash ^ (hash>>8)) & 0xff; -} -#endif -static inline int hash_ip6(struct in6_addr ip) +static inline int hash_ip6(const struct in6_addr *ip) { - return (hash_ip(ip.s6_addr32[0]) ^ - hash_ip(ip.s6_addr32[1]) ^ - hash_ip(ip.s6_addr32[2]) ^ - hash_ip(ip.s6_addr32[3])); + return hash_32(ipv6_addr_hash(ip), IP_HASHBITS); } static int ip_map_match(struct cache_head *corig, struct cache_head *cnew) { @@ -301,7 +287,7 @@ static struct ip_map *__ip_map_lookup(struct cache_detail *cd, char *class, ip.m_addr = *addr; ch = sunrpc_cache_lookup(cd, &ip.h, hash_str(class, IP_HASHBITS) ^ - hash_ip6(*addr)); + hash_ip6(addr)); if (ch) return container_of(ch, struct ip_map, h); @@ -331,7 +317,7 @@ static int __ip_map_update(struct cache_detail *cd, struct ip_map *ipm, ip.h.expiry_time = expiry; ch = sunrpc_cache_update(cd, &ip.h, &ipm->h, hash_str(ipm->m_class, IP_HASHBITS) ^ - hash_ip6(ipm->m_addr)); + hash_ip6(&ipm->m_addr)); if (!ch) return -ENOMEM; cache_put(ch, cd); |