linux-kernel - Re: [PATCH] usb: storage: ene_ub6250: Fix right shift warnings

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Message-ID: <ZuL/um0Pcm8o3Gox@embed-PC.myguest.virtualbox.org>
Date: Thu, 12 Sep 2024 20:20:34 +0530
From: Abhishek Tamboli <abhishektamboli9@...il.com>
To: Greg KH <gregkh@...uxfoundation.org>
Cc: stern@...land.harvard.edu, usb-storage@...ts.one-eyed-alien.net,
	linux-usb@...r.kernel.org, skhan@...uxfoundation.org,
	dan.carpenter@...aro.org, rbmarliere@...il.com,
	linux-kernel-mentees@...ts.linuxfoundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: storage: ene_ub6250: Fix right shift warnings

On Thu, Sep 12, 2024 at 07:06:45AM +0200, Greg KH wrote:
> On Thu, Sep 12, 2024 at 06:15:18AM +0530, Abhishek Tamboli wrote:
> > Hi Alan,
> > On Thu, Aug 01, 2024 at 10:51:35AM -0400, Alan Stern wrote:
> > > On Thu, Aug 01, 2024 at 08:54:18AM +0200, 'Oliver Neukum' via USB Mass Storage on Linux wrote:
> > > > 
> > > > 
> > > > On 31.07.24 20:19, Alan Stern wrote:
> > > > > On Wed, Jul 31, 2024 at 11:34:45PM +0530, Abhishek Tamboli wrote:
> > > > > > On Wed, Jul 31, 2024 at 10:04:33AM -0400, Alan Stern wrote:
> > > > 
> > > > Hi,
> > > > 
> > > > I should make my reasoning clearer.
> > > > 
> > > > > > > Replacing the variable with a constant won't make much difference.  The
> > > > > > > compiler will realize that bl_len has a constant value and will generate
> > > > > > > appropriate code anyway.  I think just changing the type is a fine fix.
> > > > 
> > > > While that is absolutely true, it kind of removes the reason for the patch
> > > > in the first place. The code gcc generates is unlikely to be changed.
> > > > 
> > > > We are reacting to a warning an automatic tool generates. That is a good thing.
> > > > We should have clean code. The question is how we react to such a report.
> > > > It just seems to me that if we fix such a warning, the code should really be clean
> > > > after that. Just doing the minimum that will make the checker shut up is
> > > > no good.
> > > 
> > > With this fix, the code seems clean to me.  It may not be as short as 
> > > possible, but it's clean.
> > 
> > I noticed that the patch has not yet been pulled into linux-next, 
> > even though it has been acked-by you for over a month. Is there 
> > anything else I need to do on my end?
> 
> Yes, please resend it, it is long gone from my review queue, sorry.
No problem, I will resend it.

Thanks,
Abhishek