Re: [PATCH v3] scsi: ibmvscsi: Don't use rc uninitialized in ibmvscsi_do_work

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To: Nathan Chancellor <natechancellor@xxxxxxxxx>
Subject: Re: [PATCH v3] scsi: ibmvscsi: Don't use rc uninitialized in ibmvscsi_do_work
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Tue, 04 Jun 2019 22:39:19 -0400
Cc: Tyrel Datwyler <tyreld@xxxxxxxxxxxxx>, "James E.J. Bottomley" <jejb@xxxxxxxxxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, clang-built-linux@xxxxxxxxxxxxxxxx, Michael Ellerman <mpe@xxxxxxxxxxxxxx>
In-reply-to: <20190603234405.29600-1-natechancellor@gmail.com> (Nathan Chancellor's message of "Mon, 3 Jun 2019 16:44:06 -0700")
Organization: Oracle Corporation
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (gnu/linux)

Nathan,

> clang warns:
>
> drivers/scsi/ibmvscsi/ibmvscsi.c:2126:7: warning: variable 'rc' is used
> uninitialized whenever switch case is taken [-Wsometimes-uninitialized]
>         case IBMVSCSI_HOST_ACTION_NONE:
>              ^~~~~~~~~~~~~~~~~~~~~~~~~

Applied to 5.3/scsi-queue, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering

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Follow-Ups:
- Re: [PATCH v3] scsi: ibmvscsi: Don't use rc uninitialized in ibmvscsi_do_work
  - From: Michael Ellerman

References:
- [PATCH v2] scsi: ibmvscsi: Don't use rc uninitialized in ibmvscsi_do_work
  - From: Nathan Chancellor
- [PATCH v3] scsi: ibmvscsi: Don't use rc uninitialized in ibmvscsi_do_work
  - From: Nathan Chancellor

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