[PATCH] drm/edid: don't return stack garbage from supports_rb

[Daniel Vetter]

We need to initialize this to false, because the is_rb callback only
ever sets it to true.

Noticed while reading through the code.

Cc: Adam Jackson <ajax at redhat.com>
Cc: stable at vger.kernel.org
Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/drm_edid.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index c3b5139..77a436f 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -603,7 +603,7 @@ static bool
 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;
 	}
-- 
1.7.10