Commit 3418c56d authored Aug 21, 2020 by Andrii Nakryiko Committed by Alexei Starovoitov Aug 24, 2020

libbpf: Avoid false unuinitialized variable warning in bpf_core_apply_relo



Some versions of GCC report uninitialized targ_spec usage. GCC is wrong, but
let's avoid unnecessary warnings.

Fixes: ddc7c304 ("libbpf: implement BPF CO-RE offset relocation algorithm")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200821225556.2178419-1-andriin@fb.com

parent 07ff4f01

tools/lib/bpf/libbpf.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -5390,7 +5390,7 @@ static int bpf_core_apply_relo(struct bpf_program *prog,
		struct hashmap *cand_cache)
		{
		const char *prog_name = bpf_program__title(prog, false);
		struct bpf_core_spec local_spec, cand_spec, targ_spec;
		struct bpf_core_spec local_spec, cand_spec, targ_spec = {};
		const void *type_key = u32_as_hash_key(relo->type_id);
		struct bpf_core_relo_res cand_res, targ_res;
		const struct btf_type *local_type;

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