[PATCH] ch7006: correctly handling failed allocation

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Since drm_property_create_range can be failed in memory pressure,
it needs to be checked and return -ENOMEM.

Signed-off-by: Insu Yun <wuninsu@xxxxxxxxx>
---
 drivers/gpu/drm/i2c/ch7006_drv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i2c/ch7006_drv.c b/drivers/gpu/drm/i2c/ch7006_drv.c
index 90db5f4..0594c45 100644
--- a/drivers/gpu/drm/i2c/ch7006_drv.c
+++ b/drivers/gpu/drm/i2c/ch7006_drv.c
@@ -253,6 +253,8 @@ static int ch7006_encoder_create_resources(struct drm_encoder *encoder,
 	drm_mode_create_tv_properties(dev, NUM_TV_NORMS, ch7006_tv_norm_names);
 
 	priv->scale_property = drm_property_create_range(dev, 0, "scale", 0, 2);
+	if (!priv->scale_property)
+		return -ENOMEM;
 
 	drm_object_attach_property(&connector->base, conf->tv_select_subconnector_property,
 				      priv->select_subconnector);
-- 
1.9.1

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