[AUDIT] create context if auditing was ever enabled

Disabling audit at runtime by auditctl doesn't mean that we can
stop allocating contexts for new processes; we don't want to miss them
when that sucker is reenabled.

(based on work from Al Viro in the RHEL kernel series)

Signed-off-by: Eric Paris <eparis@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 6e03322e155b..1c06ecf38d7b 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -70,6 +70,7 @@
 #include "audit.h"
 
 extern struct list_head audit_filter_list[];
+extern int audit_ever_enabled;
 
 /* AUDIT_NAMES is the number of slots we reserve in the audit_context
  * for saving names from getname(). */
@@ -838,7 +839,7 @@ int audit_alloc(struct task_struct *tsk)
         struct audit_context *context;
         enum audit_state     state;
 
-        if (likely(!audit_enabled))
+        if (likely(!audit_ever_enabled))
                 return 0; /* Return if not auditing. */
 
         state = audit_filter_task(tsk);