linux-kernel - Re: [PATCH v2] scsi: ufs: fix missing brace warning for old compilers

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Message-ID: <yq1k0w8dxwh.fsf@ca-mkp.ca.oracle.com>
Date:   Fri, 02 Oct 2020 19:13:42 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Pujin Shi <shipujin.t@...il.com>
Cc:     "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        Eric Biggers <ebiggers@...gle.com>,
        Satya Tangirala <satyat@...gle.com>,
        Stanley Chu <stanley.chu@...iatek.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        hankinsea@...il.com
Subject: Re: [PATCH v2] scsi: ufs: fix missing brace warning for old compilers


Pujin,

> For older versions of gcc, the array = {0}; will cause warnings:
>
> drivers/scsi/ufs/ufshcd-crypto.c: In function 'ufshcd_crypto_keyslot_program':
> drivers/scsi/ufs/ufshcd-crypto.c:62:8: warning: missing braces around initializer [-Wmissing-braces]
>   union ufs_crypto_cfg_entry cfg = { 0 };
>         ^
> drivers/scsi/ufs/ufshcd-crypto.c:62:8: warning: (near initialization for 'cfg.reg_val') [-Wmissing-braces]
> drivers/scsi/ufs/ufshcd-crypto.c: In function 'ufshcd_clear_keyslot':
> drivers/scsi/ufs/ufshcd-crypto.c:103:8: warning: missing braces around initializer [-Wmissing-braces]
>   union ufs_crypto_cfg_entry cfg = { 0 };
>         ^
> 2 warnings generated

Applied to 5.10/scsi-staging, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering