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authorJames Morris <jmorris@namei.org>2008-06-06 18:50:12 +1000
committerJames Morris <jmorris@namei.org>2008-07-14 15:01:57 +1000
commitbdd581c1439339f1d3e8446b83e0f1beaef294e9 (patch)
treeaa6daa5462dfe041692900d1e853a94bc791818b /security
parent972ccac2b237967ed7e56a50eb181b5a0a484b79 (diff)
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SELinux: open code sidtab lock
Open code sidtab lock to make Andrew Morton happy. Signed-off-by: James Morris <jmorris@namei.org> Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Diffstat (limited to 'security')
-rw-r--r--security/selinux/ss/sidtab.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/security/selinux/ss/sidtab.c b/security/selinux/ss/sidtab.c
index ba354164049..a81ded10412 100644
--- a/security/selinux/ss/sidtab.c
+++ b/security/selinux/ss/sidtab.c
@@ -14,10 +14,6 @@
#define SIDTAB_HASH(sid) \
(sid & SIDTAB_HASH_MASK)
-#define INIT_SIDTAB_LOCK(s) spin_lock_init(&s->lock)
-#define SIDTAB_LOCK(s, x) spin_lock_irqsave(&s->lock, x)
-#define SIDTAB_UNLOCK(s, x) spin_unlock_irqrestore(&s->lock, x)
-
int sidtab_init(struct sidtab *s)
{
int i;
@@ -30,7 +26,7 @@ int sidtab_init(struct sidtab *s)
s->nel = 0;
s->next_sid = 1;
s->shutdown = 0;
- INIT_SIDTAB_LOCK(s);
+ spin_lock_init(&s->lock);
return 0;
}
@@ -180,7 +176,7 @@ int sidtab_context_to_sid(struct sidtab *s,
sid = sidtab_search_context(s, context);
if (!sid) {
- SIDTAB_LOCK(s, flags);
+ spin_lock_irqsave(&s->lock, flags);
/* Rescan now that we hold the lock. */
sid = sidtab_search_context(s, context);
if (sid)
@@ -199,7 +195,7 @@ int sidtab_context_to_sid(struct sidtab *s,
if (ret)
s->next_sid--;
unlock_out:
- SIDTAB_UNLOCK(s, flags);
+ spin_unlock_irqrestore(&s->lock, flags);
}
if (ret)
@@ -264,19 +260,19 @@ void sidtab_set(struct sidtab *dst, struct sidtab *src)
{
unsigned long flags;
- SIDTAB_LOCK(src, flags);
+ spin_lock_irqsave(&src->lock, flags);
dst->htable = src->htable;
dst->nel = src->nel;
dst->next_sid = src->next_sid;
dst->shutdown = 0;
- SIDTAB_UNLOCK(src, flags);
+ spin_unlock_irqrestore(&src->lock, flags);
}
void sidtab_shutdown(struct sidtab *s)
{
unsigned long flags;
- SIDTAB_LOCK(s, flags);
+ spin_lock_irqsave(&s->lock, flags);
s->shutdown = 1;
- SIDTAB_UNLOCK(s, flags);
+ spin_unlock_irqrestore(&s->lock, flags);
}