Revert "platform-msi: Free descriptors in platform_msi_domain_free()"

euler inclusion
category: bugfix
bugzilla: 5359
CVE: NA

Drop this patch, but use the patch in LTS kernel.
-------------------

This reverts commit 698ac96606173d99c1b2f8fded0990c30047ee3c.
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/base/platform-msi.c

@@ -366,16 +366,14 @@ void platform_msi_domain_free(struct irq_domain *domain, unsigned int virq,
 			      unsigned int nvec)
 {
 	struct platform_msi_priv_data *data = domain->host_data;
-	struct msi_desc *desc, *tmp;
-	for_each_msi_entry_safe(desc, tmp, data->dev) {
+	struct msi_desc *desc;
+	for_each_msi_entry(desc, data->dev) {
 		if (WARN_ON(!desc->irq || desc->nvec_used != 1))
 			return;
 		if (!(desc->irq >= virq && desc->irq < (virq + nvec)))
 			continue;
 
 		irq_domain_free_irqs_common(domain, desc->irq, 1);
-		list_del(&desc->list);
-		free_msi_entry(desc);
 	}
 }
 

include/linux/msi.h

@@ -116,8 +116,6 @@ struct msi_desc {
 	list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list)
 #define for_each_msi_entry(desc, dev)	\
 	list_for_each_entry((desc), dev_to_msi_list((dev)), list)
-#define for_each_msi_entry_safe(desc, tmp, dev)	\
-	list_for_each_entry_safe((desc), (tmp), dev_to_msi_list((dev)), list)
 
 #ifdef CONFIG_PCI_MSI
 #define first_pci_msi_entry(pdev)	first_msi_entry(&(pdev)->dev)