greybus: pass result in gb_connection_recv_response()

Pass the operation result to gb_connection_recv_response() as a
parameter.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

diff --git a/drivers/staging/greybus/operation.c b/drivers/staging/greybus/operation.c
index 2fd60cc..c4898f6 100644 (file)
--- a/drivers/staging/greybus/operation.c
+++ b/drivers/staging/greybus/operation.c
@@ -651,11 +651,11 @@ static void gb_connection_recv_request(struct gb_connection *connection,
  * data into the response buffer and handle the rest via workqueue.
  */
 static void gb_connection_recv_response(struct gb_connection *connection,
-                               u16 operation_id, void *data, size_t size)
+                       u16 operation_id, u8 result, void *data, size_t size)
 {
        struct gb_operation *operation;
        struct gb_message *message;
-       int result;
+       int errno = gb_operation_status_map(result);
 
        operation = gb_pending_operation_find(connection, operation_id);
        if (!operation) {
@@ -667,20 +667,19 @@ static void gb_connection_recv_response(struct gb_connection *connection,
        gb_pending_operation_remove(operation);
 
        message = operation->response;
-       result = gb_operation_status_map(message->header->result);
-       if (!result && size != message->size) {
+       if (!errno && size != message->size) {
                gb_connection_err(connection, "bad message size (%zu != %zu)",
                        size, message->size);
-               result = -EMSGSIZE;
+               errno = -EMSGSIZE;
        }
 
        /* We must ignore the payload if a bad status is returned */
-       if (result)
+       if (errno)
                size = sizeof(*message->header);
        memcpy(message->header, data, size);
 
        /* The rest will be handled in work queue context */
-       if (gb_operation_result_set(operation, result))
+       if (gb_operation_result_set(operation, errno))
                queue_work(gb_operation_workqueue, &operation->work);
 }
 
@@ -717,7 +716,7 @@ void gb_connection_recv(struct gb_connection *connection,
        operation_id = le16_to_cpu(header->operation_id);
        if (header->type & GB_OPERATION_TYPE_RESPONSE)
                gb_connection_recv_response(connection, operation_id,
-                                               data, msg_size);
+                                               header->result, data, msg_size);
        else
                gb_connection_recv_request(connection, operation_id,
                                                header->type, data, msg_size);