[PATCH] drm/tegra: output: Do not put OF node twice

[Sam Ravnborg]

Hi Thierry,
On Fri, Nov 13, 2020 at 09:41:57PM +0100, Thierry Reding wrote:
> From: Thierry Reding <treding at nvidia.com>
> 
> The original patch for commit 3d2e7aec7013 ("drm/tegra: output: Don't
> leak OF node on error") contained this hunk, but it was accidentally
> dropped during conflict resolution. This causes use-after-free errors
> on devices that use an I2C controller for HDMI DDC/CI on Tegra210 and
> later.
> 
> Fixes: 3d2e7aec7013 ("drm/tegra: output: Don't leak OF node on error")
> Signed-off-by: Thierry Reding <treding at nvidia.com>
Two times of_node_put() of the same pointer looks bad.
Reviewed-by: Sam Ravnborg <sam at ravnborg.org>