audit: inline audit_free to simplify the look of generic code

make the conditional a static inline instead of doing it in generic code.

Signed-off-by: Eric Paris <eparis@redhat.com>
diff --git a/include/linux/audit.h b/include/linux/audit.h
index 4f1efe3..8eb8bda 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -417,7 +417,7 @@
 				/* Public API */
 extern void audit_finish_fork(struct task_struct *child);
 extern int  audit_alloc(struct task_struct *task);
-extern void audit_free(struct task_struct *task);
+extern void __audit_free(struct task_struct *task);
 extern void __audit_syscall_entry(int arch,
 				  int major, unsigned long a0, unsigned long a1,
 				  unsigned long a2, unsigned long a3);
@@ -435,6 +435,11 @@
 	void *p = current->audit_context;
 	return !p || *(int *)p;
 }
+static inline void audit_free(struct task_struct *task)
+{
+	if (unlikely(task->audit_context))
+		__audit_free(task);
+}
 static inline void audit_syscall_entry(int arch, int major, unsigned long a0,
 				       unsigned long a1, unsigned long a2,
 				       unsigned long a3)