1 files changed, 12 insertions, 9 deletions

diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index 5a57753ea9fc..8e44db040db7 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -208,7 +208,7 @@ int alloc_irte(struct intel_iommu *iommu, int irq, u16 count)
         return index;
 }
 
-static void qi_flush_iec(struct intel_iommu *iommu, int index, int mask)
+static int qi_flush_iec(struct intel_iommu *iommu, int index, int mask)
 {
         struct qi_desc desc;
 
@@ -216,7 +216,7 @@ static void qi_flush_iec(struct intel_iommu *iommu, int index, int mask)
                    | QI_IEC_SELECTIVE;
         desc.high = 0;
 
-        qi_submit_sync(&desc, iommu);
+        return qi_submit_sync(&desc, iommu);
 }
 
 int map_irq_to_irte_handle(int irq, u16 *sub_handle)
@@ -284,6 +284,7 @@ int clear_irte_irq(int irq, struct intel_iommu *iommu, u16 index)
 
 int modify_irte(int irq, struct irte *irte_modified)
 {
+        int rc;
         int index;
         struct irte *irte;
         struct intel_iommu *iommu;
@@ -304,14 +305,15 @@ int modify_irte(int irq, struct irte *irte_modified)
         set_64bit((unsigned long *)irte, irte_modified->low | (1 << 1));
         __iommu_flush_cache(iommu, irte, sizeof(*irte));
 
-        qi_flush_iec(iommu, index, 0);
-
+        rc = qi_flush_iec(iommu, index, 0);
         spin_unlock(&irq_2_ir_lock);
-        return 0;
+
+        return rc;
 }
 
 int flush_irte(int irq)
 {
+        int rc;
         int index;
         struct intel_iommu *iommu;
         struct irq_2_iommu *irq_iommu;
@@ -327,10 +329,10 @@ int flush_irte(int irq)
 
         index = irq_iommu->irte_index + irq_iommu->sub_handle;
 
-        qi_flush_iec(iommu, index, irq_iommu->irte_mask);
+        rc = qi_flush_iec(iommu, index, irq_iommu->irte_mask);
         spin_unlock(&irq_2_ir_lock);
 
-        return 0;
+        return rc;
 }
 
 struct intel_iommu *map_ioapic_to_ir(int apic)
@@ -356,6 +358,7 @@ struct intel_iommu *map_dev_to_ir(struct pci_dev *dev)
 
 int free_irte(int irq)
 {
+        int rc = 0;
         int index, i;
         struct irte *irte;
         struct intel_iommu *iommu;
@@ -376,7 +379,7 @@ int free_irte(int irq)
         if (!irq_iommu->sub_handle) {
                 for (i = 0; i < (1 << irq_iommu->irte_mask); i++)
                         set_64bit((unsigned long *)irte, 0);
-                qi_flush_iec(iommu, index, irq_iommu->irte_mask);
+                rc = qi_flush_iec(iommu, index, irq_iommu->irte_mask);
         }
 
         irq_iommu->iommu = NULL;
@@ -386,7 +389,7 @@ int free_irte(int irq)
 
         spin_unlock(&irq_2_ir_lock);
 
-        return 0;
+        return rc;
 }
 
 static void iommu_set_intr_remapping(struct intel_iommu *iommu, int mode)