libbpf: Return err if bpf_object__load failed

bpf_object__load() has various return code, when it failed to load
object, it must return err instead of -EINVAL.

Signed-off-by: Mao Wenan <maowenan@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200426063635.130680-3-maowenan@huawei.com

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 8f480e29a6b07734edbb1f54f6fd7458d79b4220..8e1dc6980facb4e28e8ac5e38c3391e233765c88 100644 (file)
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -7006,7 +7006,7 @@ int bpf_prog_load_xattr(const struct bpf_prog_load_attr *attr,
        err = bpf_object__load(obj);
        if (err) {
                bpf_object__close(obj);
-               return -EINVAL;
+               return err;
        }
 
        *pobj = obj;