linux-kernel - Re: [PATCH] powerpc/iommu/debug: fix ifnullfree.cocci warnings

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Date:   Wed, 31 Mar 2021 12:09:40 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     kernel test robot <lkp@...el.com>,
        Alexey Kardashevskiy <aik@...abs.ru>
Cc:     linuxppc-dev@...ts.ozlabs.org, Paul Mackerras <paulus@...ba.org>,
        Nicolin Chen <nicoleotsuka@...il.com>,
        Niklas Schnelle <schnelle@...ux.ibm.com>,
        kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/iommu/debug: fix ifnullfree.cocci warnings

On Fri, 19 Mar 2021 07:44:41 +0800, kernel test robot wrote:
> arch/powerpc/kernel/iommu.c:76:2-16: WARNING: NULL check before some freeing functions is not needed.
> 
>  NULL check before some freeing functions is not needed.
> 
>  Based on checkpatch warning
>  "kfree(NULL) is safe this check is probably not required"
>  and kfreeaddr.cocci by Julia Lawall.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/iommu/debug: fix ifnullfree.cocci warnings
      https://git.kernel.org/powerpc/c/bbbe563f8490958861777d98871e16960163ea1b

cheers