Re: [PATCH v1.1] gpiolib: append SFI helpers for GPIO API

From: Joe Perches
Date: Sun Jun 02 2013 - 22:06:29 EST


On Mon, 2013-06-03 at 11:59 +1000, Ryan Mallon wrote:
> On 31/05/13 19:27, Andy Shevchenko wrote:
> Some trivial coding style comment below.
[]
> > + for (i = 0; i < sfi_gpio_num_entry; i++, pentry++) {
> > + if (!strncmp(name, pentry->pin_name, SFI_NAME_LEN))
> > + return pentry->pin_no;
> > + }
>
> Nitpick - Don't need the braces on the for loop.

I'm not Andy but I think it's preferable to keep the braces
when there's an if in the for loop.

> > + sfi_gpio_table = kmalloc(num * sizeof(*pentry), GFP_KERNEL);
>
> Use kcalloc when you have a size and a count.

kmalloc_array unless you want zero'ed memory

> > + for (i = 0; i < num; i++, pentry++)
> > + pr_debug("[%2d] chip = %16.16s, name = %16.16s, pin=%d\n", i,
> > + pentry->controller_name, pentry->pin_name,
> > + pentry->pin_no);
>
> Why "%16.16s" here? "%16s" will right justify with leading spaces, or
> "%-16s" will left justify with trailing spaces.

This limits the emitted length to 16 regardless of
strlen(pentry->controller_name) / strlen(pentry->pin_name)


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/