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 <[email protected]>
Acked-by: Julia Lawall <[email protected]>
---
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

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