[U-Boot] [PATCH 2/3] drivers/gpio/pm8916_gpio.c: Make pid be uint32_t
Tom Rini
trini at konsulko.com
Wed Apr 20 23:25:41 CEST 2016
On Mon, Apr 18, 2016 at 10:23:24PM +0200, Mateusz Kulikowski wrote:
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> Hi,
>
> Sorry for slow reply.
>
> On 12.04.2016 21:11, Tom Rini wrote:
> > If get_dev_addr fails it will return FDT_ADDR_T_NONE and:
> >>>> "priv->pid == 4294967295U" is always false regardless of the values of its operands. This occurs as the logical operand of if.
> >
> > Cc: Mateusz Kulikowski <mateusz.kulikowski at gmail.com>
> > Reported-by: Coverity (CID: 143913)
> [...]
>
> > - uint16_t pid; /* Peripheral ID on SPMI bus */
> > + uint32_t pid; /* Peripheral ID on SPMI bus */
> > };
> >
> > static int pm8916_gpio_set_direction(struct udevice *dev, unsigned offset,
> >
>
> Note applies to two patches in this series (pm8916_gpio.c and pm8916.c)
>
> I think (now, when the coverity pointed out mistake) that we should add
> in that case check if pid fits in 16-bits, as this is maximum pid value on spmi bus.
>
> This checks should be done in pm8916_gpio_probe() and pm8916_probe().
>
> Would you like to do it in your series or want me to post another patch on top of them?
Please do a follow up, thanks!
--
Tom
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