iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

PCI / PM: check all fields in pci_set_platform_pm()

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Andy Shevchenko 2016-06-06 17:25:33 +03:00 committed by Rafael J. Wysocki
parent 92d21ac74a
commit 6ec39cf5cd
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/pci/pci.c
View File

@ -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;