greybus: gb_operation: drop operation refcount on cancel

An extra reference is taken out on an operation in
gb_operation_request_send(). If the response never arrives, we need to
put back the reference.

Signed-off-by: Perry Hung <perry@leaflabs.com>
Tested-by: Mitchell Tasman <tasman@leaflabs.com>
Reviewed-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 0ee44751fb62982bd0bfed6161c81e1e935f9ae1..82ff306d15e34ef9fa5712426f3f8537d798ee4a 100644 (file)
--- a/drivers/staging/greybus/operation.c
+++ b/drivers/staging/greybus/operation.c
@@ -895,6 +895,7 @@ void gb_operation_cancel(struct gb_operation *operation, int errno)
                gb_message_cancel(operation->request);
                gb_message_cancel(operation->response);
        }
+       gb_operation_put(operation);
 }
 
 /**