SELinux: seperate avc_cache flushing

Move the avc_cache flushing into it's own function so it can be reused when
disabling SELinux.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

diff --git a/security/selinux/avc.c b/security/selinux/avc.c
index e3d1901..f601246 100644 (file)
--- 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) {