commit 9c3ddee1246411a3c9c39bfa5457e49579027f0c
author Andrii Nakryiko <andriin@fb.com> Thu May 16 23:21:29 2019 -0700
committer Daniel Borkmann <daniel@iogearbox.net> Fri May 17 14:21:29 2019 +0200
tree 74efef8330fb7833afe1ae0a50b110b6f410bb6d
parent 7ed4b4e60bb1dd3df7a45dfbde3a96efce9df7eb

bpftool: fix BTF raw dump of FWD's fwd_kind

kflag bit determines whether FWD is for struct or union. Use that bit.

Fixes: c93cc69004df ("bpftool: add ability to dump BTF types")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

tools/bpf/bpftool/btf.c

diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c
index 58a2cd0..7317438 100644
--- a/tools/bpf/bpftool/btf.c
+++ b/tools/bpf/bpftool/btf.c
@@ -208,8 +208,8 @@
 		break;
 	}
 	case BTF_KIND_FWD: {
-		const char *fwd_kind = BTF_INFO_KIND(t->info) ? "union"
-							      : "struct";
+		const char *fwd_kind = BTF_INFO_KFLAG(t->info) ? "union"
+							       : "struct";
 
 		if (json_output)
 			jsonw_string_field(w, "fwd_kind", fwd_kind);