Re: fs/jffs2/readinode.c:189: faulty logic ?

From: Marek Vasut
Date: Tue Jan 24 2017 - 09:52:43 EST


On 01/24/2017 09:15 AM, David Binderman wrote:
> Hello there,
>
> fs/jffs2/readinode.c:189]: (style) Condition 'tn.fn.ofs>=offset' is always true
>
> Source code is
>
> if (tn->fn->ofs < offset)
> next = tn->rb.rb_right;
> else if (tn->fn->ofs >= offset)
> next = tn->rb.rb_left;
> else
> break;
>
> Maybe better code
>
> if (tn->fn->ofs < offset)
> next = tn->rb.rb_right;
> else if (tn->fn->ofs > offset)
> next = tn->rb.rb_left;
> else
> break;

This changes the logic of the code for equality case, please elaborate
why this is OK.

> Regards
>
> David Binderman
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>


--
Best regards,
Marek Vasut