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drm/tegra: Make CRTC upcasting safer
authorThierry Reding <treding@nvidia.com>
Fri, 8 Nov 2013 11:30:37 +0000 (12:30 +0100)
committerThierry Reding <treding@nvidia.com>
Tue, 3 Dec 2013 09:04:15 +0000 (10:04 +0100)
When upcasting a NULL CRTC object, propagate the NULL pointer instead of
some invalid pointer. This allows subsequent code to check that the cast
object is valid.

Signed-off-by: Thierry Reding <treding@nvidia.com>

No differences found
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