@@ -2217,6 +2217,8 @@ void drbd_destroy_device(struct kref *kref)
kref_put(&peer_device->connection->kref, drbd_destroy_connection);
kfree(peer_device);
}
+ if (device->submit.wq)
+ destroy_workqueue(device->submit.wq);
kfree(device);
kref_put(&resource->kref, drbd_destroy_resource);
}
@@ -2771,7 +2773,7 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig
err = add_disk(disk);
if (err)
- goto out_idr_remove_from_resource;
+ goto out_destroy_workqueue;
/* inherit the connection state */
device->state.conn = first_connection(resource)->cstate;
@@ -2785,6 +2787,8 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig
drbd_debugfs_device_add(device);
return NO_ERROR;
+out_destroy_workqueue:
+ destroy_workqueue(device->submit.wq);
out_idr_remove_from_resource:
for_each_connection(connection, resource) {
peer_device = idr_remove(&connection->peer_devices, vnr);
A submitter workqueue is dynamically allocated by init_submitter() called by drbd_create_device(), we should destroy it when this device is not needed or destroyed. Fixes: 113fef9e20e0 ("drbd: prepare to queue write requests on a submit worker") Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com> --- v4: - solve conflict in applying patch [2/2] to for-6.2/block branch v3: - add out_* label for destroy_workqueue(). drivers/block/drbd/drbd_main.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)