[PATCH] ACPI / hotplug / PCI: lost acpiphp_put_context in acpiphp_grab_context()

[Vasily Averin <vvs@xxxxxxxxxxxxx>]

Fixes: edf5bf34d408 ("ACPI / dock: Use callback pointers from devices' ACPI hotplug contexts")
Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx>
---
 drivers/pci/hotplug/acpiphp_glue.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index b386995..e49ec95 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -124,6 +124,8 @@ static struct acpiphp_context *acpiphp_grab_context(struct acpi_device *adev)
 	acpi_lock_hp_context();
 	context = acpiphp_get_context(adev);
 	if (!context || context->func.parent->is_going_away) {
+		if (context)
+			acpiphp_put_context(context);
 		acpi_unlock_hp_context();
 		return NULL;
 	}
-- 
1.8.3.1