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From: Siddharth Nayyar <sidnayyar@google.com>
To: Quentin Monnet <qmo@kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	 Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andrii@kernel.org>,
	 Martin KaFai Lau <martin.lau@linux.dev>,
	Eduard Zingerman <eddyz87@gmail.com>,
	 Kumar Kartikeya Dwivedi <memxor@gmail.com>,
	Song Liu <song@kernel.org>,
	 Yonghong Song <yonghong.song@linux.dev>,
	Jiri Olsa <jolsa@kernel.org>,
	 Mykyta Yatsenko <yatsenko@meta.com>
Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org,
	gprocida@google.com,  maennich@google.com,
	Siddharth Nayyar <sidnayyar@google.com>
Subject: [PATCH] bpftool: fix typo in struct_ops map FD generation for light skeleton
Date: Wed, 20 May 2026 09:40:44 +0000	[thread overview]
Message-ID: <20260520-struct_ops_gen_typo_fix-v1-1-4dee3771da46@google.com> (raw)

When generating light skeletons for BPF programs containing struct_ops
maps, bpftool incorrectly outputs a stray literal 't' instead of a tab
character for the map file descriptor member in the links structure.
This causes a compilation error when the generated light skeleton is
used.

Correct the format string by replacing 't' with '\t'.

Fixes: 08ac454e258e ("libbpf: Auto-attach struct_ops BPF maps in BPF skeleton")
Signed-off-by: Siddharth Nayyar <sidnayyar@google.com>
---
 tools/bpf/bpftool/gen.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c
index 2f9e10752e28..d6040b52d4e1 100644
--- a/tools/bpf/bpftool/gen.c
+++ b/tools/bpf/bpftool/gen.c
@@ -1399,7 +1399,7 @@ static int do_skeleton(int argc, char **argv)
 				continue;
 
 			if (use_loader)
-				printf("t\tint %s_fd;\n", ident);
+				printf("\t\tint %s_fd;\n", ident);
 			else
 				printf("\t\tstruct bpf_link *%s;\n", ident);
 		}

---
base-commit: c6e99c10fd9855082568cbd71bb2cc5dc90eda53
change-id: 20260519-struct_ops_gen_typo_fix-59d53748cece

Best regards,
-- 
Siddharth Nayyar <sidnayyar@google.com>


             reply	other threads:[~2026-05-20  9:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-20  9:40 Siddharth Nayyar [this message]
2026-05-20  9:51 ` Quentin Monnet
2026-05-28 21:30 ` patchwork-bot+netdevbpf

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