Why not return r here (last line)? about xhook HOT 1 CLOSED

static void xh_core_hook_impl(xh_core_map_info_t *mi)
{
    //init
    if(0 != xh_elf_init(&(mi->elf), mi->base_addr, mi->pathname)) return;
    
    //hook
    xh_core_hook_info_t   *hi;
    xh_core_ignore_info_t *ii;
    int ignore;
    TAILQ_FOREACH(hi, &xh_core_hook_info, link) //find hook info
    {
        if(0 == regexec(&(hi->pathname_regex), mi->pathname, 0, NULL, 0))
        {
            ignore = 0;
            TAILQ_FOREACH(ii, &xh_core_ignore_info, link) //find ignore info
            {
                if(0 == regexec(&(ii->pathname_regex), mi->pathname, 0, NULL, 0))
                {
                    if(NULL == ii->symbol) //ignore all symbols
                        return;

                    if(0 == strcmp(ii->symbol, hi->symbol)) //ignore the current symbol
                    {
                        ignore = 1;
                        break;
                    }
                }
            }

            if(0 == ignore)
                xh_elf_hook(&(mi->elf), hi->symbol, hi->new_func, hi->old_func);
        }
    }
}