[PATCH] tools/bpf: bpftool:Fix the wrong format specifier

[liujing]

The output format of unsigned int should be %u, and the output
format of int should be %d, so fix it.

Signed-off-by: liujing <liujing@xxxxxxxxxxxxxxxxxxxx>

diff --git a/tools/bpf/bpftool/netlink_dumper.c b/tools/bpf/bpftool/netlink_dumper.c
index 5f65140b003b..97e1e1dbc842 100644
--- a/tools/bpf/bpftool/netlink_dumper.c
+++ b/tools/bpf/bpftool/netlink_dumper.c
@@ -45,7 +45,7 @@ static int do_xdp_dump_one(struct nlattr *attr, unsigned int ifindex,
 	NET_START_OBJECT;
 	if (name)
 		NET_DUMP_STR("devname", "%s", name);
-	NET_DUMP_UINT("ifindex", "(%d)", ifindex);
+	NET_DUMP_UINT("ifindex", "(%u)", ifindex);
 
 	if (mode == XDP_ATTACHED_MULTI) {
 		if (json_output) {
@@ -168,7 +168,7 @@ int do_filter_dump(struct tcmsg *info, struct nlattr **tb, const char *kind,
 		NET_START_OBJECT;
 		if (devname[0] != '\0')
 			NET_DUMP_STR("devname", "%s", devname);
-		NET_DUMP_UINT("ifindex", "(%u)", ifindex);
+		NET_DUMP_UINT("ifindex", "(%d)", ifindex);
 		NET_DUMP_STR("kind", " %s", kind);
 		ret = do_bpf_filter_dump(tb[TCA_OPTIONS]);
 		NET_END_OBJECT_FINAL;
-- 
2.27.0