linux-kernel - Re: [PATCH -next] scsi: megaraid_sas: remove set but not used variables 'buff_addr' and 'ci

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Date:   Fri, 07 Jun 2019 09:14:30 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     <kashyap.desai@...adcom.com>, <sumit.saxena@...adcom.com>,
        <shivasharan.srikanteshwara@...adcom.com>, <jejb@...ux.ibm.com>,
        <martin.petersen@...cle.com>, <linux-kernel@...r.kernel.org>,
        <linux-scsi@...r.kernel.org>, <megaraidlinux.pdl@...adcom.com>
Subject: Re: [PATCH -next] scsi: megaraid_sas: remove set but not used variables 'buff_addr' and 'ci_h'


YueHaibing,

> Fixes gcc '-Wunused-but-set-variable' warnings:
>
> drivers/scsi/megaraid/megaraid_sas_base.c: In function megasas_fw_crash_buffer_show:
> drivers/scsi/megaraid/megaraid_sas_base.c:3138:16: warning: variable buff_addr set but not used [-Wunused-but-set-variable]
> drivers/scsi/megaraid/megaraid_sas_base.c: In function megasas_get_pd_list:
> drivers/scsi/megaraid/megaraid_sas_base.c:4426:13: warning: variable ci_h set but not used [-Wunused-but-set-variable]
>
> 'buff_addr' is never used since inroduction in
> commit fc62b3fc9021 ("megaraid_sas : Firmware crash dump feature support")
>
> 'ci_h' is not used since commit 9b3d028f3468 ("scsi: megaraid_sas:
> Pre-allocate frequently used DMA buffers")

Applied to 5.3/scsi-queue. Thanks.

-- 
Martin K. Petersen	Oracle Linux Engineering