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AJvYcCVWgXUC/yUCn885Pr2HjQDij6mpLatkW7M22fOtlT/LcI1/etKCWw7t3suPP8GUhQKPDBqUB5i7FNSjzYxF1LOt++Ko0C/nSPrvCKFYiRuPBT8pP2IT3hqcke6fQg+rBoOY8N1Her6x X-Gm-Message-State: AOJu0YyfaJlBtVUQgIHxHhxrKqyfeTi5zGLuPMcOsVe5pZGcP26MPnIz 3Ch185PwV5wx8GLd6g9b6uMOUGIewyfLvnBC1vcju9ERvXc6owuP X-Google-Smtp-Source: AGHT+IGC2PYGcZn8I5MO7PTPhm7t8IjxnbWHW+FBFkrNXHx3c7p01R40iOHFoLUA8tP3R6O1XIiYEA== X-Received: by 2002:a17:903:984:b0:1e3:f226:1377 with SMTP id mb4-20020a170903098400b001e3f2261377mr225480plb.61.1712414789606; Sat, 06 Apr 2024 07:46:29 -0700 (PDT) Received: from KERNELXING-MB0.tencent.com ([111.201.28.7]) by smtp.gmail.com with ESMTPSA id l10-20020a170903244a00b001e29833ada6sm3481965pls.140.2024.04.06.07.46.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 06 Apr 2024 07:46:29 -0700 (PDT) From: Jason Xing To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com, haoluo@google.com, jolsa@kernel.org, mykolal@fb.com, shuah@kernel.org Cc: bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, netdev@vger.kernel.org, kerneljasonxing@gmail.com, Jason Xing Subject: [PATCH net-next] selftests/bpf: eliminate warning of get_cgroup_id_from_path() Date: Sat, 6 Apr 2024 22:46:13 +0800 Message-Id: <20240406144613.4434-1-kerneljasonxing@gmail.com> X-Mailer: git-send-email 2.33.0 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Jason Xing The output goes like this if I make samples/bpf: ...warning: no previous prototype for ‘get_cgroup_id_from_path’... Make this function static could solve the warning problem since no one outside of the file calls it. Signed-off-by: Jason Xing Acked-by: Yonghong Song --- tools/testing/selftests/bpf/cgroup_helpers.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/cgroup_helpers.c b/tools/testing/selftests/bpf/cgroup_helpers.c index 19be9c63d5e8..f2952a65dcc2 100644 --- a/tools/testing/selftests/bpf/cgroup_helpers.c +++ b/tools/testing/selftests/bpf/cgroup_helpers.c @@ -429,7 +429,7 @@ int create_and_get_cgroup(const char *relative_path) * which is an invalid cgroup id. * If there is a failure, it prints the error to stderr. */ -unsigned long long get_cgroup_id_from_path(const char *cgroup_workdir) +static unsigned long long get_cgroup_id_from_path(const char *cgroup_workdir) { int dirfd, err, flags, mount_id, fhsize; union {