drm/i2c: tda998x: check the CEC device creation
This patch checks if the CEC device is well created at intialization
time.
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index e620826..c37180a 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -1144,6 +1144,8 @@
priv->current_page = 0;
priv->cec = i2c_new_dummy(client->adapter, 0x34);
+ if (!priv->cec)
+ return -ENODEV;
priv->dpms = DRM_MODE_DPMS_OFF;
encoder_slave->slave_priv = priv;