wfdapi: Reset error after fetching display object

1 files changed, 22 insertions, 5 deletions

diff --git a/src/wfdapi.c b/src/wfdapi.c
index 96bb6b6..1e807e5 100644
--- a/src/wfdapi.c
+++ b/src/wfdapi.c
@@ -175,6 +175,7 @@ wfdDeviceCommit(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 
 	switch (type) {
 	case WFD_COMMIT_PIPELINE:
@@ -202,8 +203,6 @@ wfdDeviceCommit(WFDDevice device_handle,
 		wfd_device_set_error(device, WFD_ERROR_ILLEGAL_ARGUMENT);
 		return;
 	}
-
-	wfd_device_set_error(device, WFD_ERROR_NONE);
 }
 
 
@@ -225,6 +224,7 @@ wfdCreateEvent(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return WFD_INVALID_HANDLE;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 
 	if (attribList != NULL && attribList[0] != WFD_NONE) {
 		if (attribList[0] != WFD_EVENT_PIPELINE_BIND_QUEUE_SIZE ||
@@ -261,6 +261,7 @@ wfdDestroyEvent(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	event = wf_handle_get_object(event_handle, EVENT_HANDLE);
 	if (event == NULL) {
@@ -270,8 +271,6 @@ wfdDestroyEvent(WFDDevice device_handle,
 
 	wf_handle_destroy(event_handle);
 	wfd_event_destroy(device, event);
-
-	wfd_device_set_error(device, WFD_ERROR_NONE);
 }
 
 WFD_API_CALL WFDint WFD_APIENTRY
@@ -285,6 +284,7 @@ wfdGetEventAttribi(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return 0;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	event = wf_handle_get_object(event_handle, EVENT_HANDLE);
 	if (event == NULL) {
@@ -305,6 +305,7 @@ wfdDeviceEventGetFD(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return -1;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	event = wf_handle_get_object(event_handle, EVENT_HANDLE);
 	if (event == NULL) {
@@ -335,6 +336,7 @@ wfdDeviceEventWait(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return WFD_EVENT_NONE;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	event = wf_handle_get_object(event_handle, EVENT_HANDLE);
 	if (event == NULL) {
@@ -372,6 +374,7 @@ wfdEnumeratePorts(WFDDevice device_handle,
 	if (device == NULL) {
 		return 0;
 	}
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 
 	if (portIds != NULL && idsCount <= 0) {
 		wfd_device_set_error(device, WFD_ERROR_ILLEGAL_ARGUMENT);
@@ -400,6 +403,7 @@ wfdCreatePort(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return WFD_INVALID_HANDLE;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 
 	if (attribList != NULL && attribList[0] != WFD_NONE) {
 		wfd_device_set_error(device, WFD_ERROR_BAD_ATTRIBUTE);
@@ -435,6 +439,7 @@ wfdDestroyPort(WFDDevice device_handle, WFDPort port_handle) WFD_APIEXIT
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	port = wf_handle_get_object(port_handle, PORT_HANDLE);
 	if (port == NULL) {
@@ -461,6 +466,7 @@ wfdGetPortModes(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return 0;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	port = wf_handle_get_object(port_handle, PORT_HANDLE);
 	if (port == NULL) {
@@ -484,6 +490,7 @@ wfdGetPortModeAttribi(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return 0;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	port = wf_handle_get_object(port_handle, PORT_HANDLE);
 	if (port == NULL) {
@@ -514,6 +521,7 @@ wfdSetPortMode(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	port = wf_handle_get_object(port_handle, PORT_HANDLE);
 	if (port == NULL) {
@@ -542,6 +550,7 @@ wfdGetPortAttribi(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return 0;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	port = wf_handle_get_object(port_handle, PORT_HANDLE);
 	if (port == NULL) {
@@ -552,7 +561,6 @@ wfdGetPortAttribi(WFDDevice device_handle,
 	return wfd_port_get_attribi(device, port, attrib);
 }
 
-
 WFD_API_CALL WFDfloat WFD_APIENTRY
 wfdGetPortAttribf(WFDDevice device,
 		  WFDPort port,
@@ -575,6 +583,7 @@ wfdGetPortAttribiv(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	port = wf_handle_get_object(port_handle, PORT_HANDLE);
 	if (port == NULL) {
@@ -653,6 +662,7 @@ wfdBindPipelineToPort(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	port = wf_handle_get_object(port_handle, PORT_HANDLE);
 	if (port == NULL) {
@@ -707,6 +717,7 @@ wfdEnumeratePipelines(WFDDevice device_handle,
 		fprintf(stderr, "bad device\n");
 		return 0;
 	}
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 
 	if (pipelineIds != NULL && idsCount <= 0) {
 		wfd_device_set_error(device, WFD_ERROR_ILLEGAL_ARGUMENT);
@@ -736,6 +747,7 @@ wfdCreatePipeline(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return WFD_INVALID_HANDLE;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 
 	if (attribList != NULL && attribList[0] != WFD_NONE) {
 		wfd_device_set_error(device, WFD_ERROR_BAD_ATTRIBUTE);
@@ -772,6 +784,7 @@ wfdDestroyPipeline(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	pipeline = wf_handle_get_object(pipeline_handle, PIPELINE_HANDLE);
 	if (pipeline == NULL) {
@@ -799,6 +812,7 @@ wfdCreateSourceFromImage(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return WFD_INVALID_HANDLE;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	pipeline = wf_handle_get_object(pipeline_handle, PIPELINE_HANDLE);
 	if (pipeline == NULL) {
@@ -843,6 +857,7 @@ wfdDestroySource(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	source = wf_handle_get_object(source_handle, SOURCE_HANDLE);
 	if (source == NULL) {
@@ -896,6 +911,7 @@ wfdBindSourceToPipeline(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	pipeline = wf_handle_get_object(pipeline_handle, PIPELINE_HANDLE);
 	if (pipeline == NULL) {
@@ -990,6 +1006,7 @@ wfdSetPipelineAttribiv(WFDDevice device_handle,
 	device = wf_handle_get_object(device_handle, DEVICE_HANDLE);
 	if (device == NULL)
 		return;
+	wfd_device_set_error(device, WFD_ERROR_NONE);
 	
 	pipeline = wf_handle_get_object(pipeline_handle, PIPELINE_HANDLE);
 	if (pipeline == NULL) {