From: Eric Paris <eparis@redhat.com>
Date: Sun, 13 Sep 2009 02:54:17 +0000 (-0400)
Subject: SELinux: seperate avc_cache flushing
X-Git-Tag: firefly_0821_release~12963^2~5
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=008574b11171a1ee9583a00188e27ff9e0432061;p=firefly-linux-kernel-4.4.55.git

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 e3d19014259b..f60124623645 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) {