Messages in this thread Patch in this message | | | From | Johan Hovold <> | Subject | [PATCH 6/6] PCI/ASPM: Add lockdep assert to link state helper | Date | Tue, 14 Nov 2023 14:55:53 +0100 |
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Add a lockdep assert to the locked disable link state helper which should only be called with a pci_bus_sem read lock held.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org> --- drivers/pci/pcie/aspm.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 19b7256d2dc9..ef2e7a186f57 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -1090,6 +1090,8 @@ static int __pci_disable_link_state(struct pci_dev *pdev, int state, bool locked int pci_disable_link_state_locked(struct pci_dev *pdev, int state) { + lockdep_assert_held_read(&pci_bus_sem); + return __pci_disable_link_state(pdev, state, true); } EXPORT_SYMBOL(pci_disable_link_state_locked); -- 2.41.0
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