Re: [PATCH 3/3] powernv/pci: Improve a size determination in pnv_pci_init_ioda_phb()

From: Alexey Kardashevskiy
Date: Wed Oct 18 2017 - 01:22:03 EST


On 18/10/17 02:40, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Tue, 17 Oct 2017 17:18:10 +0200
>
> Replace the specification of a data structure by a pointer dereference
> as the parameter for the operator "sizeof" to make the corresponding size
> determination a bit safer according to the Linux coding style convention.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> ---
> arch/powerpc/platforms/powernv/pci-ioda.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
> index 98d9435240f4..2febdf06a237 100644
> --- a/arch/powerpc/platforms/powernv/pci-ioda.c
> +++ b/arch/powerpc/platforms/powernv/pci-ioda.c
> @@ -3802,7 +3802,7 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
> phb_id = be64_to_cpup(prop64);
> pr_debug(" PHB-ID : 0x%016llx\n", phb_id);
>
> - phb = memblock_virt_alloc(sizeof(struct pnv_phb), 0);
> + phb = memblock_virt_alloc(sizeof(*phb), 0);
>
> /* Allocate PCI controller */
> phb->hose = hose = pcibios_alloc_controller(np);
>

Reviewed-by: Alexey Kardashevskiy <aik@xxxxxxxxx>



--
Alexey