Re: [PATCH 3/3] drm/tegra: Use __drm_atomic_helper_reset_connector for subclassing connector state.

Thierry Reding
2015-12-07T10:02:25Z

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On Tue, Nov 24, 2015 at 02:35:34PM +0100, Maarten Lankhorst wrote:
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> ---
> drivers/gpu/drm/tegra/dsi.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
> index f0a138ef68ce..33ad50487f2e 100644
> --- a/drivers/gpu/drm/tegra/dsi.c
> +++ b/drivers/gpu/drm/tegra/dsi.c
> @@ -745,14 +745,11 @@ static void tegra_dsi_soft_reset(struct tegra_dsi *dsi)
>
> static void tegra_dsi_connector_reset(struct drm_connector *connector)
> {
> - struct tegra_dsi_state *state;
> + struct tegra_dsi_state *state =
> + kzalloc(sizeof(*state), GFP_KERNEL);

I think this could use a check just for safety. It's unlikely to ever
happen, but just in case, better allow to fail gracefully than crash.

Thierry

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