[PATCH] iommu/amd: The ppr faults handled in kdump kernel should return NOTIFY_DONE

[Baoquan He]

Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
---
 drivers/iommu/amd_iommu_v2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 0245d414a7b3..e705fac89cb4 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -578,6 +578,7 @@ static int ppr_notifier(struct notifier_block *nb, unsigned long e, void *data)
 	dev_data = get_dev_data(&pdev->dev);
 
 	/* In kdump kernel pci dev is not initialized yet -> send INVALID */
+	ret = NOTIFY_DONE;
 	if (translation_pre_enabled(amd_iommu_rlookup_table[devid])
 		&& dev_data->defer_attach) {
 		amd_iommu_complete_ppr(pdev, iommu_fault->pasid,
@@ -585,7 +586,6 @@ static int ppr_notifier(struct notifier_block *nb, unsigned long e, void *data)
 		goto out;
 	}
 
-	ret = NOTIFY_DONE;
 	dev_state = get_device_state(iommu_fault->device_id);
 	if (dev_state == NULL)
 		goto out;
-- 
2.5.5