From: Changyeon Lee <cyeon.lee@samsung.com>
Date: Mon, 9 Jul 2018 10:00:10 +0000 (+0900)
Subject: surface_queue: don`t emit reset if queue doesn't have attached surface
X-Git-Tag: accepted/tizen/unified/20180914.073128~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F45%2F183645%2F3;p=platform%2Fcore%2Fuifw%2Flibtbm.git

surface_queue: don`t emit reset if queue doesn't have attached surface

Change-Id: I33faadc45e91e12a176e002c389ca71f8fac01d8
---

diff --git a/src/tbm_surface_queue.c b/src/tbm_surface_queue.c
index 1d8cc99..de15fda 100644
--- a/src/tbm_surface_queue.c
+++ b/src/tbm_surface_queue.c
@@ -1760,6 +1760,14 @@ tbm_surface_queue_set_size(tbm_surface_queue_h
 	pthread_mutex_lock(&surface_queue->lock);
 
 	if (flush) {
+		surface_queue->queue_size = queue_size;
+
+		if (surface_queue->num_attached == 0) {
+			pthread_mutex_unlock(&surface_queue->lock);
+			_tbm_surf_queue_mutex_unlock();
+			return TBM_SURFACE_QUEUE_ERROR_NONE;
+		}
+
 		if (surface_queue->modes & TBM_SURFACE_QUEUE_MODE_GUARANTEE_CYCLE) {
 			/* Destory surface and Push to free_queue */
 			LIST_FOR_EACH_ENTRY_SAFE(node, tmp, &surface_queue->free_queue.head, item_link)
@@ -1779,7 +1787,6 @@ tbm_surface_queue_set_size(tbm_surface_queue_h
 		_queue_init(&surface_queue->free_queue);
 
 		surface_queue->num_attached = 0;
-		surface_queue->queue_size = queue_size;
 
 		if (surface_queue->impl && surface_queue->impl->reset)
 			surface_queue->impl->reset(surface_queue);