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authorMark Brown <broonie@kernel.org>2021-10-18 13:51:43 +0100
committerMark Brown <broonie@kernel.org>2021-10-18 13:51:43 +0100
commited96f35cecb0a7d1d95bbba8b9f212e60d0f7480 (patch)
tree15fe5f3dc395c3b1e713ad52bcd529b1a343cfe2 /drivers/pci/controller/pci-hyperv.c
parent72bf80cf09c4693780ad93a31b48fa5a4e17a946 (diff)
parent519d81956ee277b4419c723adfb154603c2565ba (diff)
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Merge tag 'v5.15-rc6' into regulator-5.16
Linux 5.15-rc6
Diffstat (limited to 'drivers/pci/controller/pci-hyperv.c')
-rw-r--r--drivers/pci/controller/pci-hyperv.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index eaec915ffe62..67c46e52c0dc 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -3301,9 +3301,17 @@ static int hv_pci_bus_exit(struct hv_device *hdev, bool keep_devs)
return 0;
if (!keep_devs) {
- /* Delete any children which might still exist. */
+ struct list_head removed;
+
+ /* Move all present children to the list on stack */
+ INIT_LIST_HEAD(&removed);
spin_lock_irqsave(&hbus->device_list_lock, flags);
- list_for_each_entry_safe(hpdev, tmp, &hbus->children, list_entry) {
+ list_for_each_entry_safe(hpdev, tmp, &hbus->children, list_entry)
+ list_move_tail(&hpdev->list_entry, &removed);
+ spin_unlock_irqrestore(&hbus->device_list_lock, flags);
+
+ /* Remove all children in the list */
+ list_for_each_entry_safe(hpdev, tmp, &removed, list_entry) {
list_del(&hpdev->list_entry);
if (hpdev->pci_slot)
pci_destroy_slot(hpdev->pci_slot);
@@ -3311,7 +3319,6 @@ static int hv_pci_bus_exit(struct hv_device *hdev, bool keep_devs)
put_pcichild(hpdev);
put_pcichild(hpdev);
}
- spin_unlock_irqrestore(&hbus->device_list_lock, flags);
}
ret = hv_send_resources_released(hdev);