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From:   Michael Ellerman <patch-notifications@ellerman.id.au>
To:     akpm@linux-foundation.org, bharata@linux.ibm.com,
        linuxram@us.ibm.com, Felix.Kuehling@amd.com, mpe@ellerman.id.au,
        paulus@samba.org, benh@kernel.crashing.org,
        maciej.szmigiero@oracle.com, maz@kernel.org, david@redhat.com,
        Xiaomeng Tong <xiam0nd.tong@gmail.com>,
        liam.howlett@oracle.com, apopple@nvidia.com
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        linuxppc-dev@lists.ozlabs.org
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Subject: Re: [RESEND][PATCH] KVM: PPC: Book3S HV: fix incorrect NULL check on list iterator
Message-Id: <165338950780.1711920.5897036006589907982.b4-ty@ellerman.id.au>
Date:   Tue, 24 May 2022 20:51:47 +1000
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On Thu, 14 Apr 2022 14:21:03 +0800, Xiaomeng Tong wrote:
> The bug is here:
> 	if (!p)
>                 return ret;
> 
> The list iterator value 'p' will *always* be set and non-NULL by
> list_for_each_entry(), so it is incorrect to assume that the iterator
> value will be NULL if the list is empty or no element is found.
> 
> [...]

Applied to powerpc/topic/ppc-kvm.

[1/1] KVM: PPC: Book3S HV: fix incorrect NULL check on list iterator
      https://git.kernel.org/powerpc/c/300981abddcb13f8f06ad58f52358b53a8096775

cheers