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From:   Marc Zyngier <maz@kernel.org>
To:     james.morse@arm.com, eric.auger.pro@gmail.com,
        kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org,
        alexandru.elisei@arm.com, kvm@vger.kernel.org,
        Eric Auger <eric.auger@redhat.com>, suzuki.poulose@arm.com
Cc:     gshan@redhat.com, drjones@redhat.com
Subject: Re: [PATCH] KVM: arm/arm64: Fix KVM_VGIC_V3_ADDR_TYPE_REDIST read
Date:   Tue, 13 Apr 2021 15:05:41 +0100
Message-Id: <161832273337.3709196.17485368965759835272.b4-ty@kernel.org>
In-Reply-To: <20210412150034.29185-1-eric.auger@redhat.com>
References: <20210412150034.29185-1-eric.auger@redhat.com>
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On Mon, 12 Apr 2021 17:00:34 +0200, Eric Auger wrote:
> When reading the base address of the a REDIST region
> through KVM_VGIC_V3_ADDR_TYPE_REDIST we expect the
> redistributor region list to be populated with a single
> element.
> 
> However list_first_entry() expects the list to be non empty.
> Instead we should use list_first_entry_or_null which effectively
> returns NULL if the list is empty.

Applied to kvm-arm64/vgic-5.13, thanks!

[1/1] KVM: arm/arm64: Fix KVM_VGIC_V3_ADDR_TYPE_REDIST read
      commit: 94ac0835391efc1a30feda6fc908913ec012951e

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.