diff options
| -rw-r--r-- | drivers/pci/pci-sysfs.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index eab14be6fcf1..6b016792e0ad 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -967,6 +967,11 @@ static int pci_mmap_legacy_mem(struct file *filp, struct kobject *kobj, struct vm_area_struct *vma) { struct pci_bus *bus = to_pci_bus(kobj_to_dev(kobj)); + int ret; + + ret = security_locked_down(LOCKDOWN_PCI_ACCESS); + if (ret) + return ret; return pci_mmap_legacy_page_range(bus, vma, pci_mmap_mem); } @@ -987,6 +992,11 @@ static int pci_mmap_legacy_io(struct file *filp, struct kobject *kobj, struct vm_area_struct *vma) { struct pci_bus *bus = to_pci_bus(kobj_to_dev(kobj)); + int ret; + + ret = security_locked_down(LOCKDOWN_PCI_ACCESS); + if (ret) + return ret; return pci_mmap_legacy_page_range(bus, vma, pci_mmap_io); } @@ -1003,6 +1013,11 @@ static inline umode_t __pci_legacy_is_visible(struct kobject *kobj, bool sparse) { struct pci_bus *bus = to_pci_bus(kobj_to_dev(kobj)); + int ret; + + ret = security_locked_down(LOCKDOWN_PCI_ACCESS); + if (ret) + return ret; if (pci_legacy_has_sparse(bus, type) != sparse) return 0; |