[PATCH 5.16 0492/1017] libbpf: Fix compilation warning due to mismatched printf format

Greg Kroah-Hartman
2022-04-05T09:50:58Z

From: Andrii Nakryiko <andrii@kernel.org>

[ Upstream commit dc37dc617fabfb1c3a16d49f5d8cc20e9e3608ca ]

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

Fixes: 4172843ed4a3 ("libbpf: Fix signedness bug in btf_dump_array_data()")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220209063909.1268319-1-andrii@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
tools/lib/bpf/btf_dump.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/lib/bpf/btf_dump.c b/tools/lib/bpf/btf_dump.c
index 700dfd362c4a..f2ab392a0e34 100644
--- a/tools/lib/bpf/btf_dump.c
+++ b/tools/lib/bpf/btf_dump.c
@@ -1847,7 +1847,8 @@ 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;
}

--
2.34.1