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PCI: mvebu: Check valid base address before port setup

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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>
This commit is contained in:
Ezequiel Garcia 2013-07-26 10:17:49 -03:00 committed by Jason Cooper
parent 11be65472a
commit b22503a9c3
1 changed files with 2 additions and 0 deletions
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2
drivers/pci/host/pci-mvebu.c
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@ -662,6 +662,8 @@ static int __init mvebu_pcie_setup(int nr, struct pci_sys_data *sys)
for (i = 0; i < pcie->nports; i++) {
struct mvebu_pcie_port *port = &pcie->ports[i];
if (!port->base)
continue;
mvebu_pcie_setup_hw(port);
}