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libbpf: Use bpf_{btf,link,map,prog}_get_info_by_fd()

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Use the new type-safe wrappers around bpf_obj_get_info_by_fd().

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230214231221.249277-3-iii@linux.ibm.com
This commit is contained in:
Ilya Leoshkevich
2023-02-15 00:12:15 +01:00
committed by yonghong-song
parent 30f6bc3c0a
commit 768164af0e
4 changed files with 14 additions and 14 deletions
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8
src/btf.c
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@@ -1350,9 +1350,9 @@ struct btf *btf_get_from_fd(int btf_fd, struct btf *base_btf)
void *ptr;
int err;
/* we won't know btf_size until we call bpf_obj_get_info_by_fd(). so
/* we won't know btf_size until we call bpf_btf_get_info_by_fd(). so
* let's start with a sane default - 4KiB here - and resize it only if
* bpf_obj_get_info_by_fd() needs a bigger buffer.
* bpf_btf_get_info_by_fd() needs a bigger buffer.
*/
last_size = 4096;
ptr = malloc(last_size);
@@ -1362,7 +1362,7 @@ struct btf *btf_get_from_fd(int btf_fd, struct btf *base_btf)
memset(&btf_info, 0, sizeof(btf_info));
btf_info.btf = ptr_to_u64(ptr);
btf_info.btf_size = last_size;
err = bpf_obj_get_info_by_fd(btf_fd, &btf_info, &len);
err = bpf_btf_get_info_by_fd(btf_fd, &btf_info, &len);
if (!err && btf_info.btf_size > last_size) {
void *temp_ptr;
@@ -1380,7 +1380,7 @@ struct btf *btf_get_from_fd(int btf_fd, struct btf *base_btf)
btf_info.btf = ptr_to_u64(ptr);
btf_info.btf_size = last_size;
err = bpf_obj_get_info_by_fd(btf_fd, &btf_info, &len);
err = bpf_btf_get_info_by_fd(btf_fd, &btf_info, &len);
}
if (err || btf_info.btf_size > last_size) {