Messages in this thread | | | Subject | Re: [PATCH 12/38] HSI: omap_ssi_port: fix handling of_get_named_gpio result | From | Andrzej Hajda <> | Date | Mon, 14 Dec 2015 11:27:00 +0100 |
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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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