When allocating the slot structure we store a pointer to the associated
device_node. We really should be incrementing the reference count, so
add an of_node_get() during slot alloc and an of_node_put() during slot
dealloc.
Signed-off-by: Tyrel Datwyler <tyr...@linux.vnet.ibm.com>
---
drivers/pci/hotplug/rpaphp_slot.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/hotplug/rpaphp_slot.c
b/drivers/pci/hotplug/rpaphp_slot.c
index 5282aa3e33c5..93b4a945c55d 100644
--- a/drivers/pci/hotplug/rpaphp_slot.c
+++ b/drivers/pci/hotplug/rpaphp_slot.c
@@ -21,6 +21,7 @@
/* free up the memory used by a slot */
void dealloc_slot_struct(struct slot *slot)
{
+ of_node_put(slot->dn);
kfree(slot->name);
kfree(slot);
}
@@ -36,7 +37,7 @@ struct slot *alloc_slot_struct(struct device_node *dn,
slot->name = kstrdup(drc_name, GFP_KERNEL);
if (!slot->name)
goto error_slot;
- slot->dn = dn;
+ slot->dn = of_node_get(dn);
slot->index = drc_index;
slot->power_domain = power_domain;
slot->hotplug_slot.ops = &rpaphp_hotplug_slot_ops;
--
2.12.3
