[PATCH 3/3] Fix "NULL_RETURNS" caught by coverity

[Fabiano Fidêncio <fidencio@xxxxxxxxxx>]

---
 gtk/controller/test.c         | 3 +++
 gtk/spice-client-gtk.override | 3 +++
 gtk/spice-widget.c            | 2 ++
 3 files changed, 8 insertions(+)

diff --git a/gtk/controller/test.c b/gtk/controller/test.c
index 851f237..5a9c8b9 100644
--- a/gtk/controller/test.c
+++ b/gtk/controller/test.c
@@ -96,6 +96,9 @@ void send_data (uint32_t id, uint8_t* data, size_t data_size)
     size_t size = sizeof (ControllerData) + data_size;
     ControllerData* msg = (ControllerData*)malloc (size);
 
+    if (msg == NULL)
+        return;
+
     msg->base.id = id;
     msg->base.size = (uint32_t)size;
     memcpy (msg->data, data, data_size);
diff --git a/gtk/spice-client-gtk.override b/gtk/spice-client-gtk.override
index 31e4f9e..76c5d8b 100644
--- a/gtk/spice-client-gtk.override
+++ b/gtk/spice-client-gtk.override
@@ -40,6 +40,9 @@ _wrap_spice_display_send_keys(PyGObject *self,
 
     len = PyList_Size(keyList);
     keys = malloc(sizeof(guint)*len);
+    if (keys == NULL)
+	return NULL;
+
     for (i = 0 ; i < len ; i++) {
         PyObject *val;
         char *sym;
diff --git a/gtk/spice-widget.c b/gtk/spice-widget.c
index 9b835f0..f43321a 100644
--- a/gtk/spice-widget.c
+++ b/gtk/spice-widget.c
@@ -2560,6 +2560,8 @@ GdkPixbuf *spice_display_get_pixbuf(SpiceDisplay *display)
     g_return_val_if_fail(d->data != NULL, NULL);
 
     data = g_malloc(d->area.width * d->area.height * 3);
+    g_return_val_if_fail (data != NULL, NULL);
+
     src = d->data;
     dest = data;
 
-- 
1.9.3

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