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[v2,1/4] drm: Retain reference to blob properties in lookup

Message ID 1432577512-9831-2-git-send-email-daniels@collabora.com (mailing list archive)
State New, archived
Headers show

Commit Message

Daniel Stone May 25, 2015, 6:11 p.m. UTC 
When we look up a blob property, make sure we retain a reference to the
blob for the lifetime.

v2: Use DRM_MODE_PROP_BLOB, not PROP_OBJECT + OBJECT_BLOB.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Tested-by: Sean Paul <seanpaul@chromium.org>
---
 drivers/gpu/drm/drm_crtc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index e548c50..2de6edf 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -4775,7 +4775,8 @@  void drm_property_change_valid_put(struct drm_property *property,
 	if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) {
 		if (property->values[0] == DRM_MODE_OBJECT_FB)
 			drm_framebuffer_unreference(obj_to_fb(ref));
-	}
+	} else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB))
+		drm_property_unreference_blob(obj_to_blob(ref));
 }
 
 /**