diff options
Diffstat (limited to 'security/selinux')
-rw-r--r-- | security/selinux/avc.c | 26 | ||||
-rw-r--r-- | security/selinux/exports.c | 6 |
2 files changed, 25 insertions, 7 deletions
diff --git a/security/selinux/avc.c b/security/selinux/avc.c index e3d1901..1ed0f076 100644 --- a/security/selinux/avc.c +++ b/security/selinux/avc.c @@ -709,18 +709,16 @@ out: } /** - * avc_ss_reset - Flush the cache and revalidate migrated permissions. - * @seqno: policy sequence number + * avc_flush - Flush the cache */ -int avc_ss_reset(u32 seqno) +static void avc_flush(void) { - struct avc_callback_node *c; - int i, rc = 0, tmprc; - unsigned long flag; - struct avc_node *node; struct hlist_head *head; struct hlist_node *next; + struct avc_node *node; spinlock_t *lock; + unsigned long flag; + int i; for (i = 0; i < AVC_CACHE_SLOTS; i++) { head = &avc_cache.slots[i]; @@ -737,6 +735,18 @@ int avc_ss_reset(u32 seqno) rcu_read_unlock(); spin_unlock_irqrestore(lock, flag); } +} + +/** + * avc_ss_reset - Flush the cache and revalidate migrated permissions. + * @seqno: policy sequence number + */ +int avc_ss_reset(u32 seqno) +{ + struct avc_callback_node *c; + int rc = 0, tmprc; + + avc_flush(); for (c = avc_callbacks; c; c = c->next) { if (c->events & AVC_CALLBACK_RESET) { @@ -858,6 +868,8 @@ u32 avc_policy_seqno(void) void avc_disable(void) { + avc_flush(); + synchronize_rcu(); if (avc_node_cachep) kmem_cache_destroy(avc_node_cachep); } diff --git a/security/selinux/exports.c b/security/selinux/exports.c index c73aeaa..c0a454a 100644 --- a/security/selinux/exports.c +++ b/security/selinux/exports.c @@ -63,3 +63,9 @@ void selinux_secmark_refcount_dec(void) atomic_dec(&selinux_secmark_refcount); } EXPORT_SYMBOL_GPL(selinux_secmark_refcount_dec); + +bool selinux_is_enabled(void) +{ + return selinux_enabled; +} +EXPORT_SYMBOL_GPL(selinux_is_enabled); |