netdev - Re: [PATCH v3 bpf] trace: bpf: Fix passing zero to PTR

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Date:   Sat, 7 Nov 2020 10:08:43 -0800
From:   Yonghong Song <yhs@...com>
To:     Wang Qing <wangqing@...o.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>,
        Andrii Nakryiko <andrii@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...omium.org>, <netdev@...r.kernel.org>,
        <bpf@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 bpf] trace: bpf: Fix passing zero to PTR_ERR()



On 11/6/20 11:45 PM, Wang Qing wrote:
> There is a bug when passing zero to PTR_ERR() and return.
> Fix smatch err.
> 
> Signed-off-by: Wang Qing <wangqing@...o.com>

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