PCI: mvebu: Check for valid ports

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Some mvebu ports do not have to be initialized. So skip these uninitialized
mvebu ports in every port iteration function to prevent access to unmapped
memory or dereferencing NULL pointers. Uninitialized mvebu port has base
address set to NULL.

Link: https://lore.kernel.org/r/20211125124605.25915-2-pali@kernel.org
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>

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Pali Rohár 2021-11-25 13:45:51 +01:00 • committed by Lorenzo Pieralisi

parent 600b790309

commit 8cdabfdd5a

1 changed files with 7 additions and 0 deletions

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drivers/pci/controller/pci-mvebu.c

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