[PATCH weston v2] input: check if the focus surface has a valid resource

[Giulio Camuffo]

the resource can be NULL in some cases, like when the focus is
taken by the black_surface used in shell.c as fullscreen background.
---

sorry for the noise, v1 has spaces instead of tabs

 src/input.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/input.c b/src/input.c
index e670eb6..ad4512d 100644
--- a/src/input.c
+++ b/src/input.c
@@ -1110,6 +1110,11 @@ pointer_set_cursor(struct wl_client *client, struct wl_resource *resource,
 
 	if (pointer->focus == NULL)
 		return;
+	/* pointer->focus->resource can be NULL. Surfaces like the
+	black_surface used in shell.c for fullscreen don't have
+	a resource, but can still have focus */
+	if (pointer->focus->resource == NULL)
+		return;
 	if (wl_resource_get_client(pointer->focus->resource) != client)
 		return;
 	if (pointer->focus_serial - serial > UINT32_MAX / 2)
-- 
1.8.3.1