PCI: mvebu: Check valid base address before port setup
This driver does not fail to probe when it cannot obtain a port base address. Therefore, add a check for NULL base address before setting up the port, which prevents a kernel panic in such cases. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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@ -662,6 +662,8 @@ static int __init mvebu_pcie_setup(int nr, struct pci_sys_data *sys)
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for (i = 0; i < pcie->nports; i++) {
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struct mvebu_pcie_port *port = &pcie->ports[i];
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if (!port->base)
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continue;
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mvebu_pcie_setup_hw(port);
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}
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