Re: [PATCH RESEND 1/2] proc: change return values whileget_proc_task err

[Andrew Morton]

On Mon, 9 Dec 2013 20:11:54 +0800 Rui Xiang <rui.xiang@xxxxxxxxxx> wrote:

> While getting proc task error, it shoule return -ESRCH.
> 
> ...
>
> --- a/fs/proc/base.c
> +++ b/fs/proc/base.c
> @@ -174,9 +174,10 @@ static int get_task_root(struct task_struct *task, struct path *root)
>  static int proc_cwd_link(struct dentry *dentry, struct path *path)
>  {
>  	struct task_struct *task = get_proc_task(dentry->d_inode);
> -	int result = -ENOENT;
> +	int result = -ESRCH;

I suppose so.  But there is risk here of breaking existing applications
and I don't think this problem is serious enough to justify that risk?

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