提交 97e94c45 编写于 作者: A Al Viro

[PATCH] no need to wank with task_lock() and pinning task down in audit_syscall_exit()

Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
上级 5411be59
......@@ -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);
}
/**
......
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