linux-kernel - Re: [PATCH] iommu: amd: Added value check

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Message-ID: <Y3ipWTntw24G5XNE@8bytes.org>
Date:   Sat, 19 Nov 2022 11:00:57 +0100
From:   Joerg Roedel <joro@...tes.org>
To:     Denis Arefev <arefev@...mel.ru>
Cc:     Will Deacon <will@...nel.org>, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org, lvc-project@...uxtesting.org,
        trufanov@...mel.ru, vfh@...mel.ru
Subject: Re: [PATCH] iommu: amd: Added value check

On Fri, Nov 18, 2022 at 01:42:52PM +0300, Denis Arefev wrote:
> Аdded a return value check for the function
> mmu_notifier_register.
> 
> Return value of a function 'mmu_notifier_register'
> called at iommu_v2.c:642 is not checked,
>  but it is usually checked for this function
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Signed-off-by: Denis Arefev <arefev@...mel.ru>
> ---
>  drivers/iommu/amd/iommu_v2.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Applied, thanks.