diff options
Diffstat (limited to 'drivers/amba/bus.c')
| -rw-r--r-- | drivers/amba/bus.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index 8ef259b4d037..71482d639a6d 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -364,7 +364,8 @@ static int amba_dma_configure(struct device *dev) ret = acpi_dma_configure(dev, attr); } - if (!ret && !drv->driver_managed_dma) { + /* @drv may not be valid when we're called from the IOMMU layer */ + if (!ret && dev->driver && !drv->driver_managed_dma) { ret = iommu_device_use_default_domain(dev); if (ret) arch_teardown_dma_ops(dev); |