Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp6374736pxu; Thu, 24 Dec 2020 00:03:57 -0800 (PST) X-Google-Smtp-Source: ABdhPJx70smdDwuoeK4i+M84SXU0bmIdx3Wy0C3OfpuVoNiVfG0YyiksrvO/Lb1qKP5zNzOSdnuX X-Received: by 2002:a17:906:29c2:: with SMTP id y2mr25866218eje.518.1608797037289; Thu, 24 Dec 2020 00:03:57 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1608797037; cv=none; d=google.com; s=arc-20160816; b=RJ7o+N0raSJvSsqp75fARmdCDK/RHNMAuSkyC1CBglVsaivo0Kyn0WEbKgfu2FY3os NqvDyuJxG9H1m4Su7ZBmYpvRYWRMFuZG5zOqyKBi3lf+HryVBTcJP/BSGpMtrqO9OWLn +55U+sQlq5uGm/c6lQNJlq+spNlMbIlEYDJ+YWKLMt4hrEUC2p6E0/8MFDcBNWYSg/Nz WdWke287zUXkiKdMQXCWuWxFp+MKD/wi0u6xRVuwc9gpJgt2uCYifFY5VoIuWkRoA8Qt n0yJrP9M8qaRAaseS8yT6JarCaO+6vV66gVmDA7UlXiW1b+//DE2P6WtG06yOSeRrm7k aeFg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:message-id:date:subject:cc:to:from; bh=2yi/tQjujrTPmzD7rAM3RBCSNutDp0deaOdZ5TtTB3c=; b=dAT+EK0o+RL3j0AR83PtrnzlAghNs2DtF/SWMluFTVc4wlC9O66LOkBLKXi0I7YXGJ O7iai7Vx0FeYe/apZseogNUj3mszvphg013ktHJoeLIRvSdwh0EcVCBaURpc3Sg5SpNn fWPNhWkwJ0Iq6OYz5gogCqjLkVz0l603YAFjVsatcI90acSmLV/HcLeKLZV0PqPJRi10 B7SGkXT7Uboo/zGKRcMjIqdSCyYt0bmRr/4jb4ku8vh9bfYw2ibKXNpShlPN+iXczCVx smgi22d8sxOeaJxcXHg21vD2JixcIwyRSCdTKI1I/BqInHPLPKCK3xFyd1suoNe4AoO0 eddA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id y15si12989658ejp.228.2020.12.24.00.03.35; Thu, 24 Dec 2020 00:03:57 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727372AbgLXIBt (ORCPT + 99 others); Thu, 24 Dec 2020 03:01:49 -0500 Received: from out30-42.freemail.mail.aliyun.com ([115.124.30.42]:36015 "EHLO out30-42.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726266AbgLXIBs (ORCPT ); Thu, 24 Dec 2020 03:01:48 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R871e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04400;MF=abaci-bugfix@linux.alibaba.com;NM=1;PH=DS;RN=18;SR=0;TI=SMTPD_---0UJcXTH5_1608796849; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:abaci-bugfix@linux.alibaba.com fp:SMTPD_---0UJcXTH5_1608796849) by smtp.aliyun-inc.com(127.0.0.1); Thu, 24 Dec 2020 16:01:05 +0800 From: YANG LI To: ast@kernel.org Cc: daniel@iogearbox.net, andrii@kernel.org, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org, davem@davemloft.net, kuba@kernel.org, hawk@kernel.org, natechancellor@gmail.com, ndesaulniers@google.com, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, YANG LI Subject: [PATCH] bpf: fix: symbol 'btf_vmlinux' was not declared. Date: Thu, 24 Dec 2020 16:00:48 +0800 Message-Id: <1608796848-49865-1-git-send-email-abaci-bugfix@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Symbol 'btf_vmlinux' was not declared in the header file and does not add extern, so no other file uses it. It's better to add static to it. Signed-off-by: YANG LI Reported-by: Abaci --- kernel/bpf/verifier.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 17270b8..535d364 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -244,7 +244,7 @@ struct bpf_call_arg_meta { u32 ret_btf_id; }; -struct btf *btf_vmlinux; +static struct btf *btf_vmlinux; static DEFINE_MUTEX(bpf_verifier_lock); -- 1.8.3.1