Re: [PATCH][FAT] FAT dirent scan with hin take #2

[Pekka Enberg <penberg@cs.helsinki.fi>]

Hi,

Some coding style nitpicks.

On 8/30/05, Machida, Hiroyuki <machida@sm.sony.co.jp> wrote:
> +inline
> +static int hint_allocate(struct inode *dir)
> +{
> +       void *hints;
> +       int err = 0;
> +
> +       if (!MSDOS_I(dir)->scan_hints) {
> +               hints = kmalloc(FAT_SCAN_NWAY*sizeof(loff_t),GFP_KERNEL);
> +               if (hints)
> +                       memset(hints, 0, FAT_SCAN_NWAY*sizeof(loff_t));
> +               else
> +                       err = -ENOMEM;

Please consider using kcalloc().

> +
> +               down(&MSDOS_I(dir)->scan_lock);
> +               if (MSDOS_I(dir)->scan_hints) err = -EINVAL;

Please put the statement after if clause to a separate line. The above
makes code very hard to read.

> +               if (!err) MSDOS_I(dir)->scan_hints = hints;
> +               up(&MSDOS_I(dir)->scan_lock);
> +               if (err == -EINVAL) {
> +                       if (hints) kfree(hints);

kfree() can handle NULLs just fine so please drop the redundant check.

                               Pekka