Fixing trivial warnings

[Jonas Bonn]

On Thu, Oct 16, 2008 at 5:00 AM, Nelson Castillo <nelsoneci at gmail.com> wrote:
> From: Nelson Castillo <nelsoneci at gmail.com>
>
> This patch fixes: 'scratch' may be used uninitialized in this function.
> Let's add a remark because this initialization might be confusing.
>        unsigned long flags;
>        size_t blksize, len, chunk;
> -       u32 scratch;
> +       u32 scratch = 0; /* avoid warning - initialization below */
>        u8 *buf;
>
>        DBG("PIO reading\n");
>
>

I would have moved the definition of scratch to be inside the
while-loop where the variable is used.

/Jonas