linux-kernel - Re: [PATCH] IB/qib: Remove redundant assignment to ret

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Date:   Fri, 30 Apr 2021 11:28:46 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Yang Li <yang.lee@...ux.alibaba.com>
Cc:     dennis.dalessandro@...nelisnetworks.com,
        mike.marciniszyn@...nelisnetworks.com, dledford@...hat.com,
        nathan@...nel.org, ndesaulniers@...gle.com,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
        clang-built-linux@...glegroups.com
Subject: Re: [PATCH] IB/qib: Remove redundant assignment to ret

On Thu, Apr 29, 2021 at 06:42:20PM +0800, Yang Li wrote:
> Variable 'ret' is set to zero but this value is never read as it is
> overwritten with a new value later on, hence it is a redundant
> assignment and can be removed
> 
> Clean up the following clang-analyzer warning:
> 
> drivers/infiniband/hw/qib/qib_sd7220.c:690:2: warning: Value stored to
> 'ret' is never read [clang-analyzer-deadcode.DeadStores]
> 
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
> ---
>  drivers/infiniband/hw/qib/qib_sd7220.c | 1 -
>  1 file changed, 1 deletion(-)

Applied to for-next, thanks

Jason