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Date:   Tue, 12 Jan 2021 08:36:26 -0800
From:   Yonghong Song <yhs@...com>
To:     Brendan Jackman <jackmanb@...gle.com>, <bpf@...r.kernel.org>
CC:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii.nakryiko@...il.com>,
        KP Singh <kpsingh@...omium.org>,
        Florent Revest <revest@...omium.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH bpf-next] bpf: Clarify return value of probe str helpers



On 1/12/21 4:34 AM, Brendan Jackman wrote:
> When the buffer is too small to contain the input string, these
> helpers return the length of the buffer, not the length of the
> original string. This tries to make the docs totally clear about
> that, since "the length of the [copied ]string" could also refer to
> the length of the input.
> 
> Signed-off-by: Brendan Jackman <jackmanb@...gle.com>

Acked-by: Yonghong Song <yhs@...com>

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