libbpf: Remove redundant check in btf_fixup_datasec()

The check 't->size && t->size != size' is redundant because if t->size compares unequal to 0, we will just skip straight to sorting variables. Signed-off-by: Yuntao Wang <ytcoode@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220220072750.209215-1-ytcoode@gmail.com

Author: ytcoode

tools/lib/bpf/libbpf.c

@@ -2795,7 +2795,7 @@ static int btf_fixup_datasec(struct bpf_object *obj, struct btf *btf,
 goto sort_vars;
 
 ret = find_elf_sec_sz(obj, name, &size);
-if (ret || !size || (t->size && t->size != size)) {
+if (ret || !size) {
 pr_debug("Invalid size for section %s: %u bytes\n", name, size);
 return -ENOENT;
 }