net: stmmac: tegra: Properly allocate clock bulk data

The clock data is an array of struct clk_bulk_data, so make sure to
allocate enough memory.

Fixes: d8ca113 ("net: stmmac: tegra: Add MGBE support")
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Author: thierryreding

drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c

@@ -234,7 +234,8 @@ static int tegra_mgbe_probe(struct platform_device *pdev)
 	res.addr = mgbe->regs;
 	res.irq = irq;
 
-	mgbe->clks = devm_kzalloc(&pdev->dev, sizeof(*mgbe->clks), GFP_KERNEL);
+	mgbe->clks = devm_kcalloc(&pdev->dev, ARRAY_SIZE(mgbe_clks),
+				  sizeof(*mgbe->clks), GFP_KERNEL);
 	if (!mgbe->clks)
 		return -ENOMEM;