vDPA/ifcvf: decouple vq IRQ releasers from the adapter

This commit decouples the IRQ releasers from the
adapter, so that these functions could be
safely invoked once probe
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Cc: stable@vger.kernel.org
Message-Id: <20221125145724.1129962-5-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

drivers/vdpa/ifcvf/ifcvf_main.c

@@ -69,10 +69,9 @@ static void ifcvf_free_irq_vectors(void *data)
 	pci_free_irq_vectors(data);
 }
 
-static void ifcvf_free_per_vq_irq(struct ifcvf_adapter *adapter)
+static void ifcvf_free_per_vq_irq(struct ifcvf_hw *vf)
 {
-	struct pci_dev *pdev = adapter->pdev;
-	struct ifcvf_hw *vf = &adapter->vf;
+	struct pci_dev *pdev = vf->pdev;
 	int i;
 
 	for (i = 0; i < vf->nr_vring; i++) {
@@ -83,10 +82,9 @@ static void ifcvf_free_per_vq_irq(struct ifcvf_adapter *adapter)
 	}
 }
 
-static void ifcvf_free_vqs_reused_irq(struct ifcvf_adapter *adapter)
+static void ifcvf_free_vqs_reused_irq(struct ifcvf_hw *vf)
 {
-	struct pci_dev *pdev = adapter->pdev;
-	struct ifcvf_hw *vf = &adapter->vf;
+	struct pci_dev *pdev = vf->pdev;
 
 	if (vf->vqs_reused_irq != -EINVAL) {
 		devm_free_irq(&pdev->dev, vf->vqs_reused_irq, vf);
@@ -95,14 +93,12 @@ static void ifcvf_free_vqs_reused_irq(struct ifcvf_adapter *adapter)
 
 }
 
-static void ifcvf_free_vq_irq(struct ifcvf_adapter *adapter)
+static void ifcvf_free_vq_irq(struct ifcvf_hw *vf)
 {
-	struct ifcvf_hw *vf = &adapter->vf;
-
 	if (vf->msix_vector_status == MSIX_VECTOR_PER_VQ_AND_CONFIG)
-		ifcvf_free_per_vq_irq(adapter);
+		ifcvf_free_per_vq_irq(vf);
 	else
-		ifcvf_free_vqs_reused_irq(adapter);
+		ifcvf_free_vqs_reused_irq(vf);
 }
 
 static void ifcvf_free_config_irq(struct ifcvf_adapter *adapter)
@@ -126,8 +122,9 @@ static void ifcvf_free_config_irq(struct ifcvf_adapter *adapter)
 static void ifcvf_free_irq(struct ifcvf_adapter *adapter)
 {
 	struct pci_dev *pdev = adapter->pdev;
+	struct ifcvf_hw *vf = &adapter->vf;
 
-	ifcvf_free_vq_irq(adapter);
+	ifcvf_free_vq_irq(vf);
 	ifcvf_free_config_irq(adapter);
 	ifcvf_free_irq_vectors(pdev);
 }