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author | 2009-09-19 11:27:32 +0200 | |
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committer | 2009-09-19 11:28:41 +0200 | |
commit | 929bf0d0156562ce631728b6fa53d68004d456d2 (patch) | |
tree | 739063990a8077b29ef97e69d73bce94573daae4 /security/selinux/avc.c | |
parent | sched_clock: Make it NMI safe (diff) | |
parent | pty_write: don't do a tty_wakeup() when the buffers are full (diff) | |
download | linux-dev-929bf0d0156562ce631728b6fa53d68004d456d2.tar.xz linux-dev-929bf0d0156562ce631728b6fa53d68004d456d2.zip |
Merge branch 'linus' into perfcounters/core
Merge reason: Bring in tracing changes we depend on.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'security/selinux/avc.c')
-rw-r--r-- | security/selinux/avc.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/security/selinux/avc.c b/security/selinux/avc.c index e3d19014259b..1ed0f076aadc 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); } |