Commit a04d40b8 authored by YOSHIFUJI Hideaki / 吉藤英明's avatar YOSHIFUJI Hideaki / 吉藤英明 Committed by David S. Miller
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ipv6: 64bit version of ipv6_addr_v4mapped().


Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e287656b
...@@ -487,8 +487,13 @@ static inline bool ipv6_addr_loopback(const struct in6_addr *a) ...@@ -487,8 +487,13 @@ static inline bool ipv6_addr_loopback(const struct in6_addr *a)
static inline bool ipv6_addr_v4mapped(const struct in6_addr *a) static inline bool ipv6_addr_v4mapped(const struct in6_addr *a)
{ {
return (a->s6_addr32[0] | a->s6_addr32[1] | return (
(a->s6_addr32[2] ^ htonl(0x0000ffff))) == 0; #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
*(__be64 *)a |
#else
(a->s6_addr32[0] | a->s6_addr32[1]) |
#endif
(a->s6_addr32[2] ^ htonl(0x0000ffff))) == 0UL;
} }
/* /*
......
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