Merge tag 'dmaengine-fix-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine fixes from Vinod Koul:

 - Intel idxd fixes for idxd_free() handling, refcount underflow on
   module unload, double free in idxd_setup_wqs()

 - Qualcomm bam dma missing properties and handing for channels with ees

 - dw device reference leak in rzn1_dmamux_route_allocate()

* tag 'dmaengine-fix-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
  dmaengine: dw: dmamux: Fix device reference leak in rzn1_dmamux_route_allocate
  dmaengine: ti: edma: Fix memory allocation size for queue_priority_map
  dmaengine: idxd: Fix double free in idxd_setup_wqs()
  dmaengine: idxd: Fix refcount underflow on module unload
  dmaengine: idxd: Remove improper idxd_free
  dmaengine: qcom: bam_dma: Fix DT error handling for num-channels/ees
  dt-bindings: dma: qcom: bam-dma: Add missing required properties

1 files changed, 21 insertions, 18 deletions

diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c
index 35bdefd3728b..8c4725ad1f64 100644
--- a/drivers/dma/idxd/init.c
+++ b/drivers/dma/idxd/init.c
@@ -189,27 +189,30 @@ static int idxd_setup_wqs(struct idxd_device *idxd)
 	idxd->wq_enable_map = bitmap_zalloc_node(idxd->max_wqs, GFP_KERNEL, dev_to_node(dev));
 	if (!idxd->wq_enable_map) {
 		rc = -ENOMEM;
-		goto err_bitmap;
+		goto err_free_wqs;
 	}
 
 	for (i = 0; i < idxd->max_wqs; i++) {
 		wq = kzalloc_node(sizeof(*wq), GFP_KERNEL, dev_to_node(dev));
 		if (!wq) {
 			rc = -ENOMEM;
-			goto err;
+			goto err_unwind;
 		}
 
 		idxd_dev_set_type(&wq->idxd_dev, IDXD_DEV_WQ);
 		conf_dev = wq_confdev(wq);
 		wq->id = i;
 		wq->idxd = idxd;
-		device_initialize(wq_confdev(wq));
+		device_initialize(conf_dev);
 		conf_dev->parent = idxd_confdev(idxd);
 		conf_dev->bus = &dsa_bus_type;
 		conf_dev->type = &idxd_wq_device_type;
 		rc = dev_set_name(conf_dev, "wq%d.%d", idxd->id, wq->id);
-		if (rc < 0)
-			goto err;
+		if (rc < 0) {
+			put_device(conf_dev);
+			kfree(wq);
+			goto err_unwind;
+		}
 
 		mutex_init(&wq->wq_lock);
 		init_waitqueue_head(&wq->err_queue);
@@ -220,15 +223,20 @@ static int idxd_setup_wqs(struct idxd_device *idxd)
 		wq->enqcmds_retries = IDXD_ENQCMDS_RETRIES;
 		wq->wqcfg = kzalloc_node(idxd->wqcfg_size, GFP_KERNEL, dev_to_node(dev));
 		if (!wq->wqcfg) {
+			put_device(conf_dev);
+			kfree(wq);
 			rc = -ENOMEM;
-			goto err;
+			goto err_unwind;
 		}
 
 		if (idxd->hw.wq_cap.op_config) {
 			wq->opcap_bmap = bitmap_zalloc(IDXD_MAX_OPCAP_BITS, GFP_KERNEL);
 			if (!wq->opcap_bmap) {
+				kfree(wq->wqcfg);
+				put_device(conf_dev);
+				kfree(wq);
 				rc = -ENOMEM;
-				goto err_opcap_bmap;
+				goto err_unwind;
 			}
 			bitmap_copy(wq->opcap_bmap, idxd->opcap_bmap, IDXD_MAX_OPCAP_BITS);
 		}
@@ -239,13 +247,7 @@ static int idxd_setup_wqs(struct idxd_device *idxd)
 
 	return 0;
 
-err_opcap_bmap:
-	kfree(wq->wqcfg);
-
-err:
-	put_device(conf_dev);
-	kfree(wq);
-
+err_unwind:
 	while (--i >= 0) {
 		wq = idxd->wqs[i];
 		if (idxd->hw.wq_cap.op_config)
@@ -254,11 +256,10 @@ err:
 		conf_dev = wq_confdev(wq);
 		put_device(conf_dev);
 		kfree(wq);
-
 	}
 	bitmap_free(idxd->wq_enable_map);
 
-err_bitmap:
+err_free_wqs:
 	kfree(idxd->wqs);
 
 	return rc;
@@ -1291,10 +1292,12 @@ static void idxd_remove(struct pci_dev *pdev)
 	device_unregister(idxd_confdev(idxd));
 	idxd_shutdown(pdev);
 	idxd_device_remove_debugfs(idxd);
-	idxd_cleanup(idxd);
+	perfmon_pmu_remove(idxd);
+	idxd_cleanup_interrupts(idxd);
+	if (device_pasid_enabled(idxd))
+		idxd_disable_system_pasid(idxd);
 	pci_iounmap(pdev, idxd->reg_base);
 	put_device(idxd_confdev(idxd));
-	idxd_free(idxd);
 	pci_disable_device(pdev);
 }