From: Joerg Roedel <[email protected]> When a 'struct device_domain_info' is created as an alias for another device, this struct will not be re-used when the real device is encountered. Fix that to avoid duplicate device_domain_info structures being added.
Signed-off-by: Joerg Roedel <[email protected]> --- drivers/iommu/intel-iommu.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 3882072..5cd3d36 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2269,12 +2269,16 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu, spin_lock_irqsave(&device_domain_lock, flags); if (dev) found = find_domain(dev); - else { + + if (!found) { struct device_domain_info *info2; info2 = dmar_search_domain_by_dev_info(iommu->segment, bus, devfn); - if (info2) - found = info2->domain; + if (info2) { + found = info2->domain; + info2->dev = dev; + } } + if (found) { spin_unlock_irqrestore(&device_domain_lock, flags); free_devinfo_mem(info); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
