---
 drivers/iommu/amd_iommu_init.c |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

Index: linux-pm/drivers/iommu/amd_iommu_init.c
===================================================================
--- linux-pm.orig/drivers/iommu/amd_iommu_init.c
+++ linux-pm/drivers/iommu/amd_iommu_init.c
@@ -2337,8 +2337,10 @@ static int __init early_amd_iommu_init(v
 
 out:
 	/* Don't leak any ACPI memory */
-	acpi_put_table(ivrs_base);
-	ivrs_base = NULL;
+	if (ivrs_base) {
+		acpi_put_table(ivrs_base);
+		ivrs_base = NULL;
+	}
 
 	return ret;
 }
@@ -2372,7 +2374,8 @@ static bool detect_ivrs(void)
 		return false;
 	}
 
-	acpi_put_table(ivrs_base);
+	if (ivrs_base)
+		acpi_put_table(ivrs_base);
 
 	/* Make sure ACS will be enabled during PCI probe */
 	pci_request_acs();