[PATCH 12/31] sunrpc: auth_gss: use parity8

zhaoxiu.zeng
2016-03-27T06:52:18Z

net/sunrpc/auth_gss/gss_krb5_keys.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/net/sunrpc/auth_gss/gss_krb5_keys.c b/net/sunrpc/auth_gss/gss_krb5_keys.c
index 8701331..c41b389 100644
--- a/net/sunrpc/auth_gss/gss_krb5_keys.c
+++ b/net/sunrpc/auth_gss/gss_krb5_keys.c
@@ -243,16 +243,12 @@ err_return:
return ret;
}

-#define smask(step) ((1<<step)-1)
-#define pstep(x, step) (((x)&smask(step))^(((x)>>step)&smask(step)))
-#define parity_char(x) pstep(pstep(pstep((x), 4), 2), 1)
-
static void mit_des_fixup_key_parity(u8 key[8])
{
int i;
for (i = 0; i < 8; i++) {
key[i] &= 0xfe;
- key[i] |= 1^parity_char(key[i]);
+ key[i] |= !parity8(key[i]);
}
}

--
2.5.5