From d1440783a7367ff0d0c47d256bbca3b3cf8a5034 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Tue, 29 Oct 2013 12:09:26 -0400 Subject: [PATCH 8/9] xfree86: return NULL for compat output if no outputs. With outputless GPUs showing up we crash here if there are not outputs try and recover with a bit of grace. Reviewed-by: Adam Jackson Signed-off-by: Dave Airlie Signed-off-by: Keith Packard --- hw/xfree86/modes/xf86Crtc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/xfree86/modes/xf86Crtc.c b/hw/xfree86/modes/xf86Crtc.c index 2a02c85..a441fd1 100644 --- a/hw/xfree86/modes/xf86Crtc.c +++ b/hw/xfree86/modes/xf86Crtc.c @@ -1863,6 +1863,9 @@ SetCompatOutput(xf86CrtcConfigPtr config) DisplayModePtr maxmode = NULL, testmode, mode; int o, compat = -1, count, mincount = 0; + if (config->num_output == 0) + return NULL; + /* Look for one that's definitely connected */ for (o = 0; o < config->num_output; o++) { test = config->output[o]; -- 1.8.3.1