[PATCH] don't bother with aux entires for dummy context

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

kernel/auditsc.c

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 9618d15..f571c7e 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1676,7 +1676,7 @@
 	unsigned long p, next;
 	void *to;
 
-	if (likely(!audit_enabled || !context))
+	if (likely(!audit_enabled || !context || context->dummy))
 		return 0;
 
 	ax = kmalloc(sizeof(*ax) + PAGE_SIZE * MAX_ARG_PAGES - bprm->p,
@@ -1714,7 +1714,7 @@
 	struct audit_aux_data_socketcall *ax;
 	struct audit_context *context = current->audit_context;
 
-	if (likely(!context))
+	if (likely(!context || context->dummy))
 		return 0;
 
 	ax = kmalloc(sizeof(*ax) + nargs * sizeof(unsigned long), GFP_KERNEL);
@@ -1742,7 +1742,7 @@
 	struct audit_aux_data_sockaddr *ax;
 	struct audit_context *context = current->audit_context;
 
-	if (likely(!context))
+	if (likely(!context || context->dummy))
 		return 0;
 
 	ax = kmalloc(sizeof(*ax) + len, GFP_KERNEL);