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Commit 6ec39cf5 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Rafael J. Wysocki
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PCI / PM: check all fields in pci_set_platform_pm() 



When assign new PCI platform PM operations check for all mandatory fields to
prevent NULL pointer dereference.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 92d21ac7

drivers/pci/pci.c

+2 −2
Original line number Diff line number Diff line
@@ -530,8 +530,8 @@ static const struct pci_platform_pm_ops *pci_platform_pm; 


int pci_set_platform_pm(const struct pci_platform_pm_ops *ops)

{

	if (!ops->is_manageable || !ops->set_state || !ops->choose_state

	    || !ops->sleep_wake)

	if (!ops->is_manageable || !ops->set_state || !ops->choose_state ||

	    !ops->sleep_wake || !ops->run_wake || !ops->need_resume)

		return -EINVAL;

	pci_platform_pm = ops;

	return 0;