[PATCH V3 10/29] sunrpc: use parity8

From: zengzhaoxiu
Date: Wed Apr 13 2016 - 23:10:57 EST


From: Zhaoxiu Zeng <zhaoxiu.zeng@xxxxxxxxx>

Signed-off-by: Zhaoxiu Zeng <zhaoxiu.zeng@xxxxxxxxx>
---
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]);
}
}

--
2.5.0