[PATCH weston 04/11] compositor: Avoid NULL pointer dereference

[Armin Krezović]

When there are no outputs present, an output pointer
can be NULL. Dereferencing such pointer will result
in a crash.

Signed-off-by: Armin Krezović <krezovic.armin at gmail.com>
---
 src/compositor.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/compositor.c b/src/compositor.c
index 37d94ec..d246046 100644
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -191,6 +191,9 @@ weston_output_mode_switch_to_native(struct weston_output *output)
 	int ret;
 	int mode_changed = 0, scale_changed = 0;
 
+	if (!output)
+		return -1;
+
 	if (!output->switch_mode)
 		return -1;
 
-- 
2.9.0