linux-kernel - Re: [PATCH v7 3/5] KVM: selftests: Add atoi_paranoid() to catch errors missed by atoi()

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Message-ID: <Y2AYv30usDTHRLKB@google.com>
Date:   Mon, 31 Oct 2022 18:49:35 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Vipin Sharma <vipinsh@...gle.com>
Cc:     pbonzini@...hat.com, dmatlack@...gle.com, andrew.jones@...ux.dev,
        wei.w.wang@...el.com, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 3/5] KVM: selftests: Add atoi_paranoid() to catch
 errors missed by atoi()

On Mon, Oct 31, 2022, Vipin Sharma wrote:
> atoi() doesn't detect errors. There is no way to know that a 0 return
> is correct conversion or due to an error.
> 
> Introduce atoi_paranoid() to detect errors and provide correct
> conversion. Replace all atoi() calls with atoi_paranoid().
> 
> Signed-off-by: Vipin Sharma <vipinsh@...gle.com>
> Suggested-by: David Matlack <dmatlack@...gle.com>
> Suggested-by: Sean Christopherson <seanjc@...gle.com>
> 
> ---

Reviewed-by: Sean Christopherson <seanjc@...gle.com>