audit: convert sessionid unset to a macro

Use a macro, "AUDIT_SID_UNSET", to replace each instance of
initialization and comparison to an audit session ID.

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 0d4e7ab847b1..378c45b92775 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -2050,7 +2050,7 @@ static void audit_log_set_loginuid(kuid_t koldloginuid, kuid_t kloginuid,
 int audit_set_loginuid(kuid_t loginuid)
 {
         struct task_struct *task = current;
-        unsigned int oldsessionid, sessionid = (unsigned int)-1;
+        unsigned int oldsessionid, sessionid = AUDIT_SID_UNSET;
         kuid_t oldloginuid;
         int rc;
 
@@ -2064,7 +2064,7 @@ int audit_set_loginuid(kuid_t loginuid)
         /* are we setting or clearing? */
         if (uid_valid(loginuid)) {
                 sessionid = (unsigned int)atomic_inc_return(&session_id);
-                if (unlikely(sessionid == (unsigned int)-1))
+                if (unlikely(sessionid == AUDIT_SID_UNSET))
                         sessionid = (unsigned int)atomic_inc_return(&session_id);
         }