linux-kernel - [PATCH 1/1] tools/bpftool: fix error return value in build_btf_type

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Message-ID: <20201124104100.491-1-thunder.leizhen@huawei.com>
Date:   Tue, 24 Nov 2020 18:41:00 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...omium.org>,
        netdev <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH 1/1] tools/bpftool: fix error return value in build_btf_type_table()

An appropriate return value should be set on the failed path.

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 tools/bpf/bpftool/btf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c
index 8ab142ff5eac..2afb7d5b1aca 100644
--- a/tools/bpf/bpftool/btf.c
+++ b/tools/bpf/bpftool/btf.c
@@ -693,6 +693,7 @@ build_btf_type_table(struct btf_attach_table *tab, enum bpf_obj_type type,
 		obj_node = calloc(1, sizeof(*obj_node));
 		if (!obj_node) {
 			p_err("failed to allocate memory: %s", strerror(errno));
+			err = -ENOMEM;
 			goto err_free;
 		}
 
-- 
2.26.0.106.g9fadedd