libbpf: Update API functions usage to check error

This updates usage of the following API functions within
libbpf so their newly added error return is checked:

- bpf_program__set_expected_attach_type()
- bpf_program__set_type()

Signed-off-by: Grant Seltzer <grantseltzer@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220420161226.86803-2-grantseltzer@gmail.com

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 342340a..9494049 100644 (file)
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -7016,8 +7016,8 @@ static int bpf_object_init_progs(struct bpf_object *obj, const struct bpf_object
                        continue;
                }
 
-               bpf_program__set_type(prog, prog->sec_def->prog_type);
-               bpf_program__set_expected_attach_type(prog, prog->sec_def->expected_attach_type);
+               prog->type = prog->sec_def->prog_type;
+               prog->expected_attach_type = prog->sec_def->expected_attach_type;
 
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
@@ -8582,8 +8582,7 @@ int bpf_program__set_##NAME(struct bpf_program *prog)             \
 {                                                              \
        if (!prog)                                              \
                return libbpf_err(-EINVAL);                     \
-       bpf_program__set_type(prog, TYPE);                      \
-       return 0;                                               \
+       return bpf_program__set_type(prog, TYPE);                       \
 }                                                              \
                                                                \
 bool bpf_program__is_##NAME(const struct bpf_program *prog)    \
@@ -9690,9 +9689,8 @@ static int bpf_prog_load_xattr2(const struct bpf_prog_load_attr *attr,
                 * bpf_object__open guessed
                 */
                if (attr->prog_type != BPF_PROG_TYPE_UNSPEC) {
-                       bpf_program__set_type(prog, attr->prog_type);
-                       bpf_program__set_expected_attach_type(prog,
-                                                             attach_type);
+                       prog->type = attr->prog_type;
+                       prog->expected_attach_type = attach_type;
                }
                if (bpf_program__type(prog) == BPF_PROG_TYPE_UNSPEC) {
                        /*