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yaml
---
r: 99209
b: refs/heads/master
c: bdd581c
h: refs/heads/master
i:
  99207: f03ff6c
v: v3
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James Morris committed Jul 14, 2008
1 parent be3e899 commit b8aa8fc
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Showing 2 changed files with 8 additions and 12 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 972ccac2b237967ed7e56a50eb181b5a0a484b79
refs/heads/master: bdd581c1439339f1d3e8446b83e0f1beaef294e9
18 changes: 7 additions & 11 deletions trunk/security/selinux/ss/sidtab.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand All @@ -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;
}

Expand Down Expand Up @@ -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)
Expand All @@ -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)
Expand Down Expand Up @@ -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);
}

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