linux-kernel - Re: [PATCH] scsi: ufs: qcom: remove unused variable

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Message-ID: <ZMBET5+0ooHfpJbS@google.com>
Date:   Tue, 25 Jul 2023 14:53:19 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Ziqi Chen <quic_ziqichen@...cinc.com>,
        Can Guo <quic_cang@...cinc.com>, Arnd Bergmann <arnd@...db.de>,
        Asutosh Das <quic_asutoshd@...cinc.com>,
        Andrew Halaney <ahalaney@...hat.com>,
        Abel Vesa <abel.vesa@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH] scsi: ufs: qcom: remove unused variable

On Mon, Jul 24, 2023 at 02:19:58PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> A recent change removed the only user of a local variable that needs
> to now also be removed:
> 
> drivers/ufs/host/ufs-qcom.c: In function 'ufs_qcom_mcq_esi_handler':
> drivers/ufs/host/ufs-qcom.c:1652:31: error: unused variable 'host' [-Werror=unused-variable]
> 
> Fixes: 8f2b78652d055 ("scsi: ufs: qcom: Get queue ID from MSI index in ESI handler")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Thanks for the patch!
Reported-by: kernelci.org bot <bot@...nelci.org>
Link: https://lore.kernel.org/llvm/64c00cd4.630a0220.6ad79.0eac@mx.google.com/
Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>

> ---
>  drivers/ufs/host/ufs-qcom.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
> index 3ee5ff905f9a6..5728e94b6527b 100644
> --- a/drivers/ufs/host/ufs-qcom.c
> +++ b/drivers/ufs/host/ufs-qcom.c
> @@ -1649,7 +1649,6 @@ static irqreturn_t ufs_qcom_mcq_esi_handler(int irq, void *data)
>  	struct msi_desc *desc = data;
>  	struct device *dev = msi_desc_to_dev(desc);
>  	struct ufs_hba *hba = dev_get_drvdata(dev);
> -	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
>  	u32 id = desc->msi_index;
>  	struct ufs_hw_queue *hwq = &hba->uhq[id];
>  
> -- 
> 2.39.2
>