linux-kernel - Re: [PATCH][next] net: ipa: remove the redundant assignment to variable trans

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Date: Fri, 26 Jan 2024 09:15:33 -0600
From: Alex Elder <elder@...e.org>
To: Simon Horman <horms@...nel.org>, Colin Ian King <colin.i.king@...il.com>
Cc: Alex Elder <elder@...nel.org>, "David S . Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
 kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] net: ipa: remove the redundant assignment to
 variable trans_id

On 1/16/24 1:31 PM, Simon Horman wrote:
> On Tue, Jan 16, 2024 at 11:40:25AM +0000, Colin Ian King wrote:
>> The variable trans_id is being modulo'd by channel->tre_count and
>> the value is being re-assigned back to trans_id even though the
>> variable is not used after this operation. The assignment is
>> redundant. Remove the assignment and just replace it with the modulo
>> operator.
>>
>> Cleans up clang scan build warning:
>> warning: Although the value stored to 'trans_id' is used in the
>> enclosing expression, the value is never actually read from
>> 'trans_id' [deadcode.DeadStores]
>>
>> Signed-off-by: Colin Ian King <colin.i.king@...il.com>

Colin, net-next is open now and you are welcome to send v2 of
this patch.
     https://netdev.bots.linux.dev/net-next.html

					-Alex

> 
> ## Form letter - net-next-closed
> 
> [adapted from text by Jakub]
> 
> Hi Colin,
> 
> The merge window for v6.8 has begun and therefore net-next is closed
> for new drivers, features, code refactoring and optimizations.
> We are currently accepting bug fixes only.
> 
> Please repost when net-next reopens on or after 22nd January.
> 
> RFC patches sent for review only are obviously welcome at any time.
> 
> See: https://www.kernel.org/doc/html/next/process/maintainer-netdev.html#development-cycle
> --
> pw-bot: defer