diff mbox series

[bpf] bpftool: fix BTF raw dump of FWD's fwd_kind

Message ID 20190517062129.2786346-1-andriin@fb.com
State Accepted
Delegated to: BPF Maintainers
Headers show
Series [bpf] bpftool: fix BTF raw dump of FWD's fwd_kind | expand

Commit Message

Andrii Nakryiko May 17, 2019, 6:21 a.m. UTC 
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>
---
 tools/bpf/bpftool/btf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Daniel Borkmann May 17, 2019, 12:24 p.m. UTC | #1 
On 05/17/2019 08:21 AM, Andrii Nakryiko wrote:
> 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>

Applied, thanks!
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Patch

diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c
index 58a2cd002a4b..7317438ecd9e 100644
--- a/tools/bpf/bpftool/btf.c
+++ b/tools/bpf/bpftool/btf.c
@@ -208,8 +208,8 @@  static int dump_btf_type(const struct btf *btf, __u32 id,
 		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);