linux-kernel - [PATCH] samples/bpf: Modify the incorrect format specifier

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Message-Id: <20241206023046.2539-1-liujing@cmss.chinamobile.com>
Date: Fri,  6 Dec 2024 10:30:46 +0800
From: liujing <liujing@...s.chinamobile.com>
To: ast@...nel.org,
	daniel@...earbox.net,
	davem@...emloft.net,
	kuba@...nel.org,
	hawk@...nel.org,
	john.fastabend@...il.com,
	andrii@...nel.org,
	martin.lau@...ux.dev,
	eddyz87@...il.com,
	song@...nel.org,
	yonghong.song@...ux.dev,
	kpsingh@...nel.org,
	sdf@...ichev.me,
	haoluo@...gle.com,
	jolsa@...nel.org
Cc: netdev@...r.kernel.org,
	bpf@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	liujing <liujing@...s.chinamobile.com>
Subject: [PATCH] samples/bpf: Modify the incorrect format specifier

Replace %d with %u in snprintf() because it is "unsigned int".

Signed-off-by: liujing <liujing@...s.chinamobile.com>

diff --git a/samples/bpf/xdp_router_ipv4_user.c b/samples/bpf/xdp_router_ipv4_user.c
index 266fdd0b025d..3fc1d37fee7c 100644
--- a/samples/bpf/xdp_router_ipv4_user.c
+++ b/samples/bpf/xdp_router_ipv4_user.c
@@ -134,11 +134,11 @@ static void read_route(struct nlmsghdr *nh, int nll)
 					*((__be32 *)RTA_DATA(rt_attr)));
 				break;
 			case RTA_OIF:
-				sprintf(ifs, "%u",
+				sprintf(ifs, "%d",
 					*((int *)RTA_DATA(rt_attr)));
 				break;
 			case RTA_METRICS:
-				sprintf(metrics, "%u",
+				sprintf(metrics, "%d",
 					*((int *)RTA_DATA(rt_attr)));
 			default:
 				break;
-- 
2.27.0