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-rw-r--r--drivers/acpi/osl.c1
-rw-r--r--drivers/acpi/sbshc.c2
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 8df9abfa947b..9d139727f164 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1129,6 +1129,7 @@ void acpi_os_wait_events_complete(void)
flush_workqueue(kacpid_wq);
flush_workqueue(kacpi_notify_wq);
}
+EXPORT_SYMBOL(acpi_os_wait_events_complete);
struct acpi_hp_work {
struct work_struct work;
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index 7a3431018e0a..5008ead4609a 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -196,6 +196,7 @@ int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc)
hc->callback = NULL;
hc->context = NULL;
mutex_unlock(&hc->lock);
+ acpi_os_wait_events_complete();
return 0;
}
@@ -292,6 +293,7 @@ static int acpi_smbus_hc_remove(struct acpi_device *device)
hc = acpi_driver_data(device);
acpi_ec_remove_query_handler(hc->ec, hc->query_bit);
+ acpi_os_wait_events_complete();
kfree(hc);
device->driver_data = NULL;
return 0;