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audit: convert sessionid unset to a macro

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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>
This commit is contained in:
Richard Guy Briggs
2018-05-12 21:58:19 -04:00
committed by Paul Moore
parent 326bee0286
commit f0b752168d
5 changed files with 7 additions and 5 deletions
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4
kernel/auditsc.c
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@@ -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);
}