linux-kernel - Re: [PATCH] ufshcd: fix Wsometimes-uninitialized warning

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Date:   Wed,  9 Dec 2020 12:23:14 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Nathan Chancellor <natechancellor@...il.com>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        Arnd Bergmann <arnd@...nel.org>
Cc:     "Martin K . Petersen" <martin.petersen@...cle.com>,
        Stanley Chu <stanley.chu@...iatek.com>,
        Asutosh Das <asutoshd@...eaurora.org>,
        clang-built-linux@...glegroups.com, Can Guo <cang@...eaurora.org>,
        Avri Altman <avri.altman@....com>,
        Bean Huo <beanhuo@...ron.com>,
        Bart Van Assche <bvanassche@....org>,
        linux-kernel@...r.kernel.org,
        Alim Akhtar <alim.akhtar@...sung.com>,
        linux-scsi@...r.kernel.org, Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH] ufshcd: fix Wsometimes-uninitialized warning

On Thu, 3 Dec 2020 23:31:26 +0100, Arnd Bergmann wrote:

> clang complains about a possible code path in which a variable is
> used without an initialization:
> 
> drivers/scsi/ufs/ufshcd.c:7690:3: error: variable 'sdp' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized]
>                 BUG_ON(1);
>                 ^~~~~~~~~
> include/asm-generic/bug.h:63:36: note: expanded from macro 'BUG_ON'
>  #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
>                                    ^~~~~~~~~~~~~~~~~~~
> 
> [...]

Applied to 5.11/scsi-queue, thanks!

[1/1] ufshcd: fix Wsometimes-uninitialized warning
      https://git.kernel.org/mkp/scsi/c/4c60244dc372

-- 
Martin K. Petersen	Oracle Linux Engineering