drm/edid: don't return stack garbage from supports_rb
commit b196a4980ff7bb54db478e2a408dc8b12be15304 upstream.
We need to initialize this to false, because the is_rb callback only
ever sets it to true.
Noticed while reading through the code.
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 5a18b0d..6e38325 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -574,7 +574,7 @@
drm_monitor_supports_rb(struct edid *edid)
{
if (edid->revision >= 4) {
- bool ret;
+ bool ret = false;
drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
return ret;
}