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author | 2013-01-29 12:48:50 +0000 | |
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committer | 2013-01-29 22:58:40 -0500 | |
commit | 70e94e66aec255aff276397f5ed3f3626c548f1c (patch) | |
tree | f8a266b768f73394271a58a90b7d8375705079df /include/net | |
parent | xfrm: Use ipv6_addr_equal() where appropriate. (diff) | |
download | linux-70e94e66aec255aff276397f5ed3f3626c548f1c.tar.gz linux-70e94e66aec255aff276397f5ed3f3626c548f1c.tar.bz2 linux-70e94e66aec255aff276397f5ed3f3626c548f1c.zip |
xfrm: Convert xfrm_addr_cmp() to boolean xfrm_addr_equal().
All users of xfrm_addr_cmp() use its result as boolean.
Introduce xfrm_addr_equal() (which is equal to !xfrm_addr_cmp())
and convert all users.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/xfrm.h | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 0d8a797f0441..de34883e8b16 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1574,27 +1574,26 @@ extern struct xfrm_algo_desc *xfrm_calg_get_byname(const char *name, int probe); extern struct xfrm_algo_desc *xfrm_aead_get_byname(const char *name, int icv_len, int probe); -static inline int xfrm_addr_cmp(const xfrm_address_t *a, - const xfrm_address_t *b, - int family) +static inline bool xfrm6_addr_equal(const xfrm_address_t *a, + const xfrm_address_t *b) +{ + return ipv6_addr_equal((const struct in6_addr *)a, + (const struct in6_addr *)b); +} + +static inline bool xfrm_addr_equal(const xfrm_address_t *a, + const xfrm_address_t *b, + sa_family_t family) { switch (family) { default: case AF_INET: - return (__force u32)a->a4 - (__force u32)b->a4; + return ((__force u32)a->a4 ^ (__force u32)b->a4) == 0; case AF_INET6: - return ipv6_addr_cmp((const struct in6_addr *)a, - (const struct in6_addr *)b); + return xfrm6_addr_equal(a, b); } } -static inline bool xfrm6_addr_equal(const xfrm_address_t *a, - const xfrm_address_t *b) -{ - return ipv6_addr_equal((const struct in6_addr *)a, - (const struct in6_addr *)b); -} - static inline int xfrm_policy_id2dir(u32 index) { return index & 7; |