Messages in this thread | | | Subject | Re: [PATCH 11/38] HSI: omap_ssi: fix handling ida_simple_get result | From | Andrzej Hajda <> | Date | Mon, 14 Dec 2015 11:27:11 +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.c | 7 +++---- > 1 file changed, 3 insertions(+), 4 deletions(-) > > diff --git a/drivers/hsi/controllers/omap_ssi.c b/drivers/hsi/controllers/omap_ssi.c > index 089c6c3..5d9225f 100644 > --- a/drivers/hsi/controllers/omap_ssi.c > +++ b/drivers/hsi/controllers/omap_ssi.c > @@ -336,11 +336,10 @@ static int __init ssi_add_controller(struct hsi_controller *ssi, > return -ENOMEM; > } > > - ssi->id = ida_simple_get(&platform_omap_ssi_ida, 0, 0, GFP_KERNEL); > - if (ssi->id < 0) { > - err = ssi->id; > + err = ida_simple_get(&platform_omap_ssi_ida, 0, 0, GFP_KERNEL); > + if (err < 0) > goto out_err; > - } > + ssi->id = err; > > ssi->owner = THIS_MODULE; > ssi->device.parent = &pd->dev;
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