PCI: mvebu: Use devm_kcalloc() to allocate an array

Rather than using devm_kzalloc() and multiplying the element and number,
use the provided devm_kcalloc() helper for this.

Tested-by: Willy Tarreau <w@1wt.eu> (Iomega iConnect Kirkwood, MiraBox Armada 370)
Tested-by: Andrew Lunn <andrew@lunn.ch> (D-Link DIR664 Kirkwood)
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> (Armada XP GP)
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
index 00467c5a58ac5fcd43646e43aaabc934dd009f08..7282bb06c7a842c9befcae0e05b6a8b38fd6bcef 100644 (file)
--- a/drivers/pci/host/pci-mvebu.c
+++ b/drivers/pci/host/pci-mvebu.c
@@ -1075,8 +1075,7 @@ static int mvebu_pcie_probe(struct platform_device *pdev)
 
        num = of_get_available_child_count(pdev->dev.of_node);
 
-       pcie->ports = devm_kzalloc(&pdev->dev, num *
-                                  sizeof(struct mvebu_pcie_port),
+       pcie->ports = devm_kcalloc(&pdev->dev, num, sizeof(*pcie->ports),
                                   GFP_KERNEL);
        if (!pcie->ports)
                return -ENOMEM;