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Subject[ 20/48] drm/edid: dont return stack garbage from supports_rb
3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Daniel Vetter <daniel.vetter@ffwll.ch>

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: Ben Hutchings <ben@decadent.org.uk>
---
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 eb92fe2..5873e48 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -610,7 +610,7 @@ 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;
}



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