From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jakub Kicinski <jakub.kicinski@netronome.com>
Subject: Re: [PATCH bpf-next v4 3/3] bpf: btf: print map dump and lookup
 with btf info
Date: Wed, 11 Jul 2018 13:04:56 -0700
Message-ID: <20180711130456.5bbb8eb7@cakuba.lan>
References: <20180711032108.631367556@fb.com>
        <20180711032557.869819837@fb.com>
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Cc: Daniel Borkmann <daniel@iogearbox.net>,
        Martin KaFai Lau <kafai@fb.com>,
        Alexei Starovoitov <ast@kernel.org>,
        Yonghong Song <yhs@fb.com>,
        Quentin Monnet <quentin.monnet@netronome.com>,
        "David S. Miller" <davem@davemloft.net>, <netdev@vger.kernel.org>,
        <kernel-team@fb.com>, <linux-kernel@vger.kernel.org>
To: Okash Khawaja <osk@fb.com>
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <20180711032557.869819837@fb.com>
Sender: linux-kernel-owner@vger.kernel.org
List-Id: netdev.vger.kernel.org

On Tue, 10 Jul 2018 20:21:11 -0700, Okash Khawaja wrote:
> +	if (err || btf_info.btf_size > last_size) {
> +		err = errno;

errno may not be set in case btf_info.btf_size > last_size

errno is positive, while other error return codes are negative.

> +		goto exit_free;
> +	}