greybus: operation: suppress response submission on connection tear down

Suppress response submission on connection tear down as we do with
requests.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

diff --git a/drivers/staging/greybus/operation.c b/drivers/staging/greybus/operation.c
index 0adb727..2729b48 100644 (file)
--- a/drivers/staging/greybus/operation.c
+++ b/drivers/staging/greybus/operation.c
@@ -705,6 +705,9 @@ static int gb_operation_response_send(struct gb_operation *operation,
        struct gb_connection *connection = operation->connection;
        int ret;
 
+       if (connection->state != GB_CONNECTION_STATE_ENABLED)
+               return -ENOTCONN;
+
        if (!operation->response &&
                        !gb_operation_is_unidirectional(operation)) {
                if (!gb_operation_response_alloc(operation, 0))