linux-kernel - Re: [PATCH] staging: rts5208: remove always true comparison

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Message-ID: <20150515101649.GA9605@sudip-PC>
Date:	Fri, 15 May 2015 15:46:49 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	Micky Ching <micky_ching@...lsil.com.cn>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: rts5208: remove always true comparison

On Thu, May 14, 2015 at 06:18:59PM +0300, Dan Carpenter wrote:
> On Thu, May 14, 2015 at 07:55:59PM +0530, Sudip Mukherjee wrote:
> > the if comparison is always true as anything bitwise and-ing with 0x1E
> > can never be equal to 0x03.
> > 
> > Fixes bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=69881
> > 
> 
> It doesn't fix anything though, it just silences the warning.  Warnings
> are nice because they let you know that the code is buggy.  It's better
> to leave them there instead of making the bugs more complicated to find.

but I am not seeing any warnings. I tried with make W=1, tried with
sparse, but still no warning. am i missing something?

regards
sudip

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