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Date:   Fri, 18 Dec 2020 12:14:15 -0800
From:   Randy Dunlap <>
To:     kernel test robot <>,
        Dave Kleikamp <>,
Subject: Re: [PATCH] JFS: more checks for invalid superblock

On 12/17/20 11:23 PM, kernel test robot wrote:
> Hi Randy,
> Thank you for the patch! Perhaps something to improve:
> [auto build test WARNING on shaggy/jfs-next]
> [also build test WARNING on linux/master linus/master v5.10 next-20201217]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> url:
> base: jfs-next
> config: i386-randconfig-s002-20201217 (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
> reproduce:
>         # apt-get install sparse
>         # sparse version: v0.6.3-184-g1b896707-dirty
>         #
>         git remote add linux-review
>         git fetch --no-tags linux-review Randy-Dunlap/JFS-more-checks-for-invalid-superblock/20201218-132143
>         git checkout 11cb0575aca69504da8b7984fc7f3e439b1a2331
>         # save the attached .config to linux build tree
>         make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <>
> "sparse warnings: (new ones prefixed by >>)"
>>> fs/jfs/jfs_mount.c:373:17: sparse: sparse: restricted __le32 degrades to integer

Thank you. I have fixed that.


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