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authorIvan Khoronzhuk <ivan.khoronzhuk@linaro.org>2019-06-26 13:38:37 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2019-06-26 14:41:20 +0200
commit950649791b8366a4b89f570053d37bba1eb21c02 (patch)
tree93104a190f649fc56420f8d7993e2853260d2429 /tools/lib/bpf
parent9cda7807ee1e25a3771b5357d9fb12991b2550f9 (diff)
downloadlinux-950649791b8366a4b89f570053d37bba1eb21c02.tar.gz
libbpf: fix max() type mismatch for 32bit
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>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools/lib/bpf')
-rw-r--r--tools/lib/bpf/libbpf.c2
1 files changed, 1 insertions, 1 deletions
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");