Em Mon, Oct 14, 2013 at 01:43:42PM +0300, Adrian Hunter escreveu:
> +static int kcore_copy__compare_fds(int from, int to)
<SNIP>
> + while (1) {
> + /* Use read because mmap won't work on proc files */
> + ret = read(from, buf_from, page_size);
> + if (ret < 0)
> + return -1;
> + if (!ret)
> + return 0;
> + n = ret;
> + len = ret;
> + while (n) {
> + ret = read(to, buf_to, n);
> + if (ret <= 0)
> + return -1;
> + n -= ret;
You can't go on potentially rewriting 'buf_to' like that, consider using
readn().
> + }
> +
> + if (memcmp(buf_from, buf_to, len))
> + return -1;
> + }
> +}
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