linux-kernel - [PATCH] samples/bpf: use %lu format specifier for unsigned long values

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Date: Tue, 19 Dec 2023 15:23:07 +0000
From: Colin Ian King <colin.i.king@...il.com>
To: Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Andrii Nakryiko <andrii@...nel.org>,
	Martin KaFai Lau <martin.lau@...ux.dev>,
	Song Liu <song@...nel.org>,
	Yonghong Song <yonghong.song@...ux.dev>,
	John Fastabend <john.fastabend@...il.com>,
	KP Singh <kpsingh@...nel.org>,
	Stanislav Fomichev <sdf@...gle.com>,
	Hao Luo <haoluo@...gle.com>,
	Jiri Olsa <jolsa@...nel.org>,
	bpf@...r.kernel.org
Cc: kernel-janitors@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] samples/bpf: use %lu format specifier for unsigned long values

Currently %ld format specifiers are being used for unsigned long
values. Fix this by using %lu instead. Cleans up cppcheck warnings:

warning: %ld in format string (no. 1) requires 'long' but the argument
type is 'unsigned long'. [invalidPrintfArgType_sint]

Signed-off-by: Colin Ian King <colin.i.king@...il.com>
---
 samples/bpf/cpustat_user.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/samples/bpf/cpustat_user.c b/samples/bpf/cpustat_user.c
index ab90bb08a2b4..356f756cba0d 100644
--- a/samples/bpf/cpustat_user.c
+++ b/samples/bpf/cpustat_user.c
@@ -66,10 +66,10 @@ static void cpu_stat_print(void)
 
 		printf("CPU-%-6d ", j);
 		for (i = 0; i < MAX_CSTATE_ENTRIES; i++)
-			printf("%-11ld ", data->cstate[i] / 1000000);
+			printf("%-11lu ", data->cstate[i] / 1000000);
 
 		for (i = 0; i < MAX_PSTATE_ENTRIES; i++)
-			printf("%-11ld ", data->pstate[i] / 1000000);
+			printf("%-11lu ", data->pstate[i] / 1000000);
 
 		printf("\n");
 	}
-- 
2.39.2