diff options
| author | Ezequiel Garcia <ezequiel.garcia@free-electrons.com> | 2013-07-26 10:17:49 -0300 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2013-08-06 14:10:41 +0000 |
| commit | b22503a9c3bd8a3512fa4daf2c6c456d12db34de (patch) | |
| tree | 3db9abf96e87b842a7dc1f01c9cbc3ca4fa7d06a /drivers/pci | |
| parent | 11be65472a427dcf7a11ab6e3e3628f1c6768b5b (diff) | |
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>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/host/pci-mvebu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c index 424a7b8e040..338691b616d 100644 --- a/drivers/pci/host/pci-mvebu.c +++ b/drivers/pci/host/pci-mvebu.c @@ -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); } |