Commit dc37dc61 authored by Andrii Nakryiko's avatar Andrii Nakryiko Committed by Daniel Borkmann
Browse files

libbpf: Fix compilation warning due to mismatched printf format 



On ppc64le architecture __s64 is long int and requires %ld. Cast to
ssize_t and use %zd to avoid architecture-specific specifiers.

Fixes: 4172843e ("libbpf: Fix signedness bug in btf_dump_array_data()")
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220209063909.1268319-1-andrii@kernel.org
parent 3caa7d2e

tools/lib/bpf/btf_dump.c

+2 −1
Original line number Diff line number Diff line
@@ -1869,7 +1869,8 @@ static int btf_dump_array_data(struct btf_dump *d, 
	elem_type = skip_mods_and_typedefs(d->btf, elem_type_id, NULL);

	elem_size = btf__resolve_size(d->btf, elem_type_id);

	if (elem_size <= 0) {

		pr_warn("unexpected elem size %lld for array type [%u]\n", elem_size, id);

		pr_warn("unexpected elem size %zd for array type [%u]\n",

			(ssize_t)elem_size, id);

		return -EINVAL;

	}