Messages in this thread | | | Subject | Re: [PATCH 1/2] n2rng: Use devm_kcalloc() in n2rng_probe() | From | Shannon Nelson <> | Date | Wed, 19 Apr 2017 08:24:33 -0700 |
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On 4/19/2017 2:10 AM, SF Markus Elfring wrote: > From: Markus Elfring <elfring@users.sourceforge.net> > Date: Wed, 19 Apr 2017 10:30:47 +0200 > > * A multiplication for the size determination of a memory allocation > indicated that an array data structure should be processed. > Thus use the corresponding function "devm_kcalloc". > > * Replace the specification of a data structure by a pointer dereference > to make the corresponding size determination a bit safer according to > the Linux coding style convention. > > Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Thanks Markus.
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
> --- > drivers/char/hw_random/n2-drv.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c > index 31cbdbbaebfc..92dd4e925315 100644 > --- a/drivers/char/hw_random/n2-drv.c > +++ b/drivers/char/hw_random/n2-drv.c > @@ -748,9 +748,7 @@ static int n2rng_probe(struct platform_device *op) > > dev_info(&op->dev, "Registered RNG HVAPI major %lu minor %lu\n", > np->hvapi_major, np->hvapi_minor); > - > - np->units = devm_kzalloc(&op->dev, > - sizeof(struct n2rng_unit) * np->num_units, > + np->units = devm_kcalloc(&op->dev, np->num_units, sizeof(*np->units), > GFP_KERNEL); > err = -ENOMEM; > if (!np->units) >
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