[PATCH hurd 5/7] auth: simplify expression

[Justus Winter]

* auth/auth.c (S_auth_{user,server}_authenticate): Simplify expression.
---
 auth/auth.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/auth/auth.c b/auth/auth.c
index c36bcb2..a7a188a 100644
--- a/auth/auth.c
+++ b/auth/auth.c
@@ -299,7 +299,7 @@ S_auth_user_authenticate (struct authhandle *userauth,
   if (! userauth)
     return EOPNOTSUPP;
 
-  if (rendezvous == MACH_PORT_NULL || rendezvous == MACH_PORT_DEAD)
+  if (! MACH_PORT_VALID (rendezvous))
     return EINVAL;
 
   u.user = userauth;
@@ -380,7 +380,7 @@ S_auth_server_authenticate (struct authhandle *serverauth,
   if (! serverauth)
     return EOPNOTSUPP;
 
-  if (rendezvous == MACH_PORT_NULL || rendezvous == MACH_PORT_DEAD)
+  if (! MACH_PORT_VALID (rendezvous))
     return EINVAL;
 
   pthread_mutex_lock (&pending_lock);
-- 
2.1.4