* [PATCH v2 bpf-next] libbpf: fix max() type mismatch for 32bit
@ 2019-06-26 10:38 Ivan Khoronzhuk
2019-06-26 14:32 ` Daniel Borkmann
0 siblings, 1 reply; 2+ messages in thread
From: Ivan Khoronzhuk @ 2019-06-26 10:38 UTC (permalink / raw)
To: ast, netdev; +Cc: daniel, bpf, linux-kernel, Ivan Khoronzhuk
It fixes build error for 32bit caused by type mismatch
size_t/unsigned long.
Fixes: bf82927125dd ("libbpf: refactor map initialization")
Acked-by: Song Liu <songliubraving@fb.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
---
tools/lib/bpf/libbpf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 68f45a96769f..5186b7710430 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -778,7 +778,7 @@ static struct bpf_map *bpf_object__add_map(struct bpf_object *obj)
if (obj->nr_maps < obj->maps_cap)
return &obj->maps[obj->nr_maps++];
- new_cap = max(4ul, obj->maps_cap * 3 / 2);
+ new_cap = max((size_t)4, obj->maps_cap * 3 / 2);
new_maps = realloc(obj->maps, new_cap * sizeof(*obj->maps));
if (!new_maps) {
pr_warning("alloc maps for object failed\n");
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2 bpf-next] libbpf: fix max() type mismatch for 32bit
2019-06-26 10:38 [PATCH v2 bpf-next] libbpf: fix max() type mismatch for 32bit Ivan Khoronzhuk
@ 2019-06-26 14:32 ` Daniel Borkmann
0 siblings, 0 replies; 2+ messages in thread
From: Daniel Borkmann @ 2019-06-26 14:32 UTC (permalink / raw)
To: Ivan Khoronzhuk, ast, netdev; +Cc: bpf, linux-kernel
On 06/26/2019 12:38 PM, Ivan Khoronzhuk wrote:
> It fixes build error for 32bit caused by type mismatch
> size_t/unsigned long.
>
> Fixes: bf82927125dd ("libbpf: refactor map initialization")
> Acked-by: Song Liu <songliubraving@fb.com>
> Acked-by: Andrii Nakryiko <andriin@fb.com>
> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Applied, thanks!
^ permalink raw reply [flat|nested] 2+ messages in thread
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