diff options
Diffstat (limited to 'drivers/pci/pci-driver.c')
| -rw-r--r-- | drivers/pci/pci-driver.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index b853585cb1f8..63665240ae87 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -1632,7 +1632,7 @@ static int pci_bus_num_vf(struct device *dev) */ static int pci_dma_configure(struct device *dev) { - struct pci_driver *driver = to_pci_driver(dev->driver); + const struct device_driver *drv = READ_ONCE(dev->driver); struct device *bridge; int ret = 0; @@ -1649,8 +1649,8 @@ static int pci_dma_configure(struct device *dev) pci_put_host_bridge_device(bridge); - /* @driver may not be valid when we're called from the IOMMU layer */ - if (!ret && dev->driver && !driver->driver_managed_dma) { + /* @drv may not be valid when we're called from the IOMMU layer */ + if (!ret && drv && !to_pci_driver(drv)->driver_managed_dma) { ret = iommu_device_use_default_domain(dev); if (ret) arch_teardown_dma_ops(dev); |