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[209.132.180.67]) by mx.google.com with ESMTP id p9si5848317pgn.358.2019.03.07.20.40.39; Thu, 07 Mar 2019 20:40:54 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=itIEC1hP; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726357AbfCHEkS (ORCPT + 99 others); Thu, 7 Mar 2019 23:40:18 -0500 Received: from mail-yw1-f66.google.com ([209.85.161.66]:33109 "EHLO mail-yw1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726250AbfCHEkR (ORCPT ); Thu, 7 Mar 2019 23:40:17 -0500 Received: by mail-yw1-f66.google.com with SMTP id i204so15361492ywb.0; Thu, 07 Mar 2019 20:40:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=HI4tdjYhgKCF3hI9dB2bVFt8dEDjF5MRs9aEylbNYC4=; b=itIEC1hPhgQ3VK9o7gBBojLj1VKKUw2DBtWbw9hAMPUAGBCgz9hp8ySdpJN2ZlNrk6 7eGc/mdGg/Z31MG/5S7lfCt8DK2G5gbbYJj2zyPz4Nh/ChN3yCiWP3anrG8A2A/ji0Xd gs4QqZNFfYWYTTK25VfY2b5El6OaCbc7JvujqU3fB/k3PmCxMxmHgYjrIkwNV84iLzit R9SpD53eIEyIykJ85qYAydiR72BAAYxqKW61rfavxkzdjrSllk+aE+n7NBMx5bMLC+6u by/IV0BDHnUJuUM45GgvileZMa2UwiWBCNFZcREK4uuww5+7e8emJ3PNi4NEy1ju4mEr BExA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=HI4tdjYhgKCF3hI9dB2bVFt8dEDjF5MRs9aEylbNYC4=; b=SXMR5ON7UYNQhZxn4JeZ0Ngv8sv/RQqlk5MI2oZp/C3W3wQfapYW20pYIPCjDkjaZ9 oacz6BOxS6VeiGdBr0oHrqJB3TOsDtGHOTHjtWppAAqyAIYv9dWi+nQ5Vn0CuIoqFGhh Ek46iZUJ9dDnJMZrTzoUN8X4RwfsJQfK4BlLjbVcSobkwsKOdsur/mPaak61sia1k6c8 MBMF48zvYXnDat//jbGJBbP6bds9g4hB4VWWNxo9YEZeUvex9U0PCdXZxcAEqIL/WXqP J6Qm9Ik1fu6AEYA6eyiSWgyqtkATXvzKhZ7iov6YYgYa7O2WsNCTfMDLnE6MqLsoIEc+ cCsQ== X-Gm-Message-State: APjAAAVT6kMM5MU4G1B8miioTWX/zqyR1rfWGFwptMh45VU4prcbKWZO m6za56N3U++Csu2EtQ9jf6g= X-Received: by 2002:a25:b2a4:: with SMTP id k36mr14437608ybj.446.1552020016306; Thu, 07 Mar 2019 20:40:16 -0800 (PST) Received: from localhost.localdomain ([191.101.9.198]) by smtp.gmail.com with ESMTPSA id z77sm2596233ywz.91.2019.03.07.20.40.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 07 Mar 2019 20:40:15 -0800 (PST) From: Bo YU To: ast@kernel.org, daniel@iogearbox.net, kafai@fb.com, ongliubraving@fb.com, yhs@fb.com, davem@davemloft.net Cc: Bo YU , netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, yuzibode@126.com Subject: [PATCH] bpf: fix warning about using plain integer as NULL Date: Thu, 7 Mar 2019 23:39:56 -0500 Message-Id: <20190308043956.16906-1-tsu.yubo@gmail.com> X-Mailer: git-send-email 2.11.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sparse warning below: sudo make C=2 CF=-D__CHECK_ENDIAN__ M=net/bpf/ CHECK net/bpf//test_run.c net/bpf//test_run.c:19:77: warning: Using plain integer as NULL pointer ./include/linux/bpf-cgroup.h:295:77: warning: Using plain integer as NULL pointer Signed-off-by: Bo YU --- include/linux/bpf-cgroup.h | 2 +- net/bpf/test_run.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h index 695b2a880d9a..a4c644c1c091 100644 --- a/include/linux/bpf-cgroup.h +++ b/include/linux/bpf-cgroup.h @@ -292,7 +292,7 @@ static inline int bpf_cgroup_storage_assign(struct bpf_prog *prog, static inline void bpf_cgroup_storage_release(struct bpf_prog *prog, struct bpf_map *map) {} static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc( - struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return 0; } + struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return NULL; } static inline void bpf_cgroup_storage_free( struct bpf_cgroup_storage *storage) {} static inline int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c index da7051d62727..fab142b796ef 100644 --- a/net/bpf/test_run.c +++ b/net/bpf/test_run.c @@ -16,7 +16,7 @@ static int bpf_test_run(struct bpf_prog *prog, void *ctx, u32 repeat, u32 *retval, u32 *time) { - struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE] = { 0 }; + struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE] = { NULL }; enum bpf_cgroup_storage_type stype; u64 time_start, time_spent = 0; int ret = 0; -- 2.11.0