[PATCH] no need to wank with task_lock() and pinning task down in audit_syscall_exit() (97e94c45) · Commits · e / devices / android_kernel_teracube_2e

kernel/auditsc.c

+1 −9

Original line number	Diff line number	Diff line
		@@ -329,7 +329,6 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
		return AUDIT_BUILD_CONTEXT;
		}

		/* This should be called with task_lock() held. */
		static inline struct audit_context audit_get_context(struct task_struct tsk,
		int return_valid,
		int return_code)
		@@ -823,15 +822,10 @@ void audit_syscall_exit(int valid, long return_code)
		struct task_struct *tsk = current;
		struct audit_context *context;

		get_task_struct(tsk);
		task_lock(tsk);
		context = audit_get_context(tsk, valid, return_code);
		task_unlock(tsk);

		/* Not having a context here is ok, since the parent may have
		* called __put_task_struct. */
		if (likely(!context))
		goto out;
		return;

		if (context->in_syscall && context->auditable)
		audit_log_exit(context, tsk);
		@@ -849,8 +843,6 @@ void audit_syscall_exit(int valid, long return_code)
		audit_free_aux(context);
		tsk->audit_context = context;
		}
		out:
		put_task_struct(tsk);
		}

		/**