Messages in this thread | | | From | Andreas Noever <> | Date | Sat, 12 Jul 2014 09:17:25 +0200 | Subject | Re: [PATCH] thunderbolt: Use kcalloc |
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On Fri, Jul 11, 2014 at 9:42 PM, Himangi Saraogi <himangi774@gmail.com> wrote: > The advantage of kcalloc is, that will prevent integer overflows > which could result from the multiplication of number of elements > and size and it is also a bit nicer to read. > > Signed-off-by: Himangi Saraogi <himangi774@gmail.com> > Acked-by: Julia Lawall <julia.lawall@lip6.fr> > --- > A patch on top of my char-misc tree as the kzalloc version is > already applied there. > > drivers/thunderbolt/nhi.c | 10 ++++------ > 1 file changed, 4 insertions(+), 6 deletions(-) > > diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c > index ce72f31..c68fe12 100644 > --- a/drivers/thunderbolt/nhi.c > +++ b/drivers/thunderbolt/nhi.c > @@ -569,12 +569,10 @@ static int nhi_probe(struct pci_dev *pdev, const struct pci_device_id *id) > nhi->hop_count); > INIT_WORK(&nhi->interrupt_work, nhi_interrupt_work); > > - nhi->tx_rings = devm_kzalloc(&pdev->dev, > - nhi->hop_count * sizeof(*nhi->tx_rings), > - GFP_KERNEL); > - nhi->rx_rings = devm_kzalloc(&pdev->dev, > - nhi->hop_count * sizeof(*nhi->rx_rings), > - GFP_KERNEL); > + nhi->tx_rings = devm_kcalloc(&pdev->dev, nhi->hop_count, > + sizeof(*nhi->tx_rings), GFP_KERNEL); > + nhi->rx_rings = devm_kcalloc(&pdev->dev, nhi->hop_count, > + sizeof(*nhi->rx_rings), GFP_KERNEL); > if (!nhi->tx_rings || !nhi->rx_rings) > return -ENOMEM; > > -- > 1.9.1 > +Greg
Acked-by: Andreas Noever <andreas.noever@gmail.com>
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