On 4/19/2017 2:10 AM, SF Markus Elfring wrote:
From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxxxx>
Thanks Markus. Acked-by: Shannon Nelson <shannon.nelson@xxxxxxxxxx>
--- 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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