[hurd] 28/37: auth: simplify expression

[Samuel Thibault]

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sthibault pushed a commit to annotated tag upstream/hurd/0.5.git20150208
in repository hurd.

commit 2d371a0b01054843f294a6c5ff401bd2093604a4
Author: Justus Winter <address@hidden>
Date:   Fri Jan 2 21:53:08 2015 +0100

    auth: simplify expression
    
    * 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);

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