libbpf: simplify two pieces of logic

Extra check for type is unnecessary in first case.

Extra zeroing is unnecessary, as snprintf guarantees that it will
zero-terminate string.

Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index b43913f..33cd59b 100644 (file)
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -1430,8 +1430,7 @@ bpf_program__collect_reloc(struct bpf_program *prog, GElf_Shdr *shdr,
                                if (maps[map_idx].libbpf_type != type)
                                        continue;
                                if (type != LIBBPF_MAP_UNSPEC ||
-                                   (type == LIBBPF_MAP_UNSPEC &&
-                                    maps[map_idx].offset == sym.st_value)) {
+                                   maps[map_idx].offset == sym.st_value) {
                                        pr_debug("relocation: find map %zd (%s) for insn %u\n",
                                                 map_idx, maps[map_idx].name, insn_idx);
                                        break;
@@ -2354,7 +2353,6 @@ struct bpf_object *bpf_object__open_buffer(void *obj_buf,
                snprintf(tmp_name, sizeof(tmp_name), "%lx-%lx",
                         (unsigned long)obj_buf,
                         (unsigned long)obj_buf_sz);
-               tmp_name[sizeof(tmp_name) - 1] = '\0';
                name = tmp_name;
        }
        pr_debug("loading object '%s' from buffer\n",