diff options
| -rw-r--r-- | drivers/staging/greybus/operation.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/staging/greybus/operation.c b/drivers/staging/greybus/operation.c index c64b2bf47a43..ad45dee19a5a 100644 --- a/drivers/staging/greybus/operation.c +++ b/drivers/staging/greybus/operation.c @@ -719,6 +719,8 @@ EXPORT_SYMBOL_GPL(gb_operation_request_send_sync); */ int gb_operation_response_send(struct gb_operation *operation, int errno) { + int ret; + /* Record the result */ if (!gb_operation_result_set(operation, errno)) { pr_err("request result already set\n"); @@ -733,10 +735,17 @@ int gb_operation_response_send(struct gb_operation *operation, int errno) } } + /* Reference will be dropped when message has been sent. */ + gb_operation_get(operation); + /* Fill in the response header and send it */ operation->response->header->result = gb_operation_errno_map(errno); - return gb_message_send(operation->response); + ret = gb_message_send(operation->response); + if (ret) + gb_operation_put(operation); + + return ret; } EXPORT_SYMBOL_GPL(gb_operation_response_send); @@ -802,8 +811,8 @@ static void gb_connection_recv_request(struct gb_connection *connection, * request handler to be the operation's callback function. * * The last thing the handler does is send a response - * message. The original reference to the operation will be - * dropped when the response has been sent. + * message. The initial reference to the operation will be + * dropped when the handler returns. */ operation->callback = gb_operation_request_handle; if (gb_operation_result_set(operation, -EINPROGRESS)) |