ecore_drm2 - fix startup if edid blob is null.. assume all 0's

this causes a crash when no edid is available. survive and dont crash.
this causes e wayland to not work at all on my baytrail laptop.

@fix

1 files changed, 6 insertions, 0 deletions

diff --git a/src/lib/ecore_drm2/ecore_drm2_outputs.c b/src/lib/ecore_drm2/ecore_drm2_outputs.c
index 85504a0d6d..ffd7a40d93 100644
--- a/src/lib/ecore_drm2/ecore_drm2_outputs.c
+++ b/src/lib/ecore_drm2/ecore_drm2_outputs.c
@@ -1044,6 +1044,7 @@ ecore_drm2_output_edid_get(Ecore_Drm2_Output *output)
 {
    char *edid_str = NULL;
    unsigned char *blob;
+   unsigned char fallback_blob[128];
 
    EINA_SAFETY_ON_NULL_RETURN_VAL(output, NULL);
 
@@ -1054,6 +1055,11 @@ ecore_drm2_output_edid_get(Ecore_Drm2_Output *output)
         EINA_SAFETY_ON_NULL_RETURN_VAL(output->edid.blob, NULL);
         blob = output->edid.blob;
      }
+   if (!blob)
+     {
+        memset(fallback_blob, 0, sizeof(fallback_blob));
+        blob = fallback_blob;
+     }
 
    edid_str = malloc((128 * 2) + 1);
    if (edid_str)