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Groups > linux.kernel > #1291063
| From | Andrzej Hajda <a.hajda@samsung.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 12/38] HSI: omap_ssi_port: fix handling of_get_named_gpio result |
| Date | 2015-12-14 11:30 +0100 |
| Message-ID | <qFyyf-4PE-23@gated-at.bofh.it> (permalink) |
| References | <qb9u2-83M-3@gated-at.bofh.it> <qb9No-8s4-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hi,
Ping - almost three months passed.
Regards
Andrzej
On 09/21/2015 03:33 PM, Andrzej Hajda wrote:
> The function can return negative value.
>
> The problem has been detected using proposed semantic patch
> scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
>
> [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576
>
> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
> ---
> drivers/hsi/controllers/omap_ssi_port.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/hsi/controllers/omap_ssi_port.c b/drivers/hsi/controllers/omap_ssi_port.c
> index 1f8652b..d93dd09 100644
> --- a/drivers/hsi/controllers/omap_ssi_port.c
> +++ b/drivers/hsi/controllers/omap_ssi_port.c
> @@ -1147,13 +1147,13 @@ static int __init ssi_port_probe(struct platform_device *pd)
> goto error;
> }
>
> - cawake_gpio = of_get_named_gpio(np, "ti,ssi-cawake-gpio", 0);
> - if (cawake_gpio < 0) {
> + err = of_get_named_gpio(np, "ti,ssi-cawake-gpio", 0);
> + if (err < 0) {
> dev_err(&pd->dev, "DT data is missing cawake gpio (err=%d)\n",
> - cawake_gpio);
> - err = -ENODEV;
> + err);
> goto error;
> }
> + cawake_gpio = err;
>
> err = devm_gpio_request_one(&port->device, cawake_gpio, GPIOF_DIR_IN,
> "cawake");
--
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Re: [PATCH 12/38] HSI: omap_ssi_port: fix handling of_get_named_gpio result Andrzej Hajda <a.hajda@samsung.com> - 2015-12-14 11:30 +0100
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