Merge remote-tracking branch 'lsk/v3.10/topic/arm64-perf' into linux-linaro-lsk

[firefly-linux-kernel-4.4.55.git] / drivers / iommu / amd_iommu.c

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 6f849cbcac6f041f39de89ba4dcd94f1fb970d17..dfb401cba73364c57121760fd1871570fa3d2da2 100644 (file)
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3187,14 +3187,16 @@ free_domains:
 
 static void cleanup_domain(struct protection_domain *domain)
 {
-       struct iommu_dev_data *dev_data, *next;
+       struct iommu_dev_data *entry;
        unsigned long flags;
 
        write_lock_irqsave(&amd_iommu_devtable_lock, flags);
 
-       list_for_each_entry_safe(dev_data, next, &domain->dev_list, list) {
-               __detach_device(dev_data);
-               atomic_set(&dev_data->bind, 0);
+       while (!list_empty(&domain->dev_list)) {
+               entry = list_first_entry(&domain->dev_list,
+                                        struct iommu_dev_data, list);
+               __detach_device(entry);
+               atomic_set(&entry->bind, 0);
        }
 
        write_unlock_irqrestore(&amd_iommu_devtable_lock, flags);