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Date: Mon, 24 Jan 2022 19:31:38 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Andrii Nakryiko <andrii@...nel.org>, Alexei Starovoitov <ast@...nel.org>, Kumar Kartikeya Dwivedi <memxor@...il.com>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.16 0109/1039] libbpf: Fix non-C89 loop variable declaration in gen_loader.c From: Andrii Nakryiko <andrii@...nel.org> [ Upstream commit b8b5cb55f5d3f03cc1479a3768d68173a10359ad ] Fix the `int i` declaration inside the for statement. This is non-C89 compliant. See [0] for user report breaking BCC build. [0] https://github.com/libbpf/libbpf/issues/403 Fixes: 18f4fccbf314 ("libbpf: Update gen_loader to emit BTF_KIND_FUNC relocations") Signed-off-by: Andrii Nakryiko <andrii@...nel.org> Signed-off-by: Alexei Starovoitov <ast@...nel.org> Acked-by: Kumar Kartikeya Dwivedi <memxor@...il.com> Link: https://lore.kernel.org/bpf/20211105191055.3324874-1-andrii@kernel.org Signed-off-by: Sasha Levin <sashal@...nel.org> --- tools/lib/bpf/gen_loader.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/lib/bpf/gen_loader.c b/tools/lib/bpf/gen_loader.c index 9934851ccde76..5aad39e92a7a5 100644 --- a/tools/lib/bpf/gen_loader.c +++ b/tools/lib/bpf/gen_loader.c @@ -597,8 +597,9 @@ void bpf_gen__record_extern(struct bpf_gen *gen, const char *name, bool is_weak, static struct ksym_desc *get_ksym_desc(struct bpf_gen *gen, struct ksym_relo_desc *relo) { struct ksym_desc *kdesc; + int i; - for (int i = 0; i < gen->nr_ksyms; i++) { + for (i = 0; i < gen->nr_ksyms; i++) { if (!strcmp(gen->ksyms[i].name, relo->name)) { gen->ksyms[i].ref++; return &gen->ksyms[i]; -- 2.34.1
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