diff mbox

[v4,12/24] drm/i2c: tda998x: check the CEC device creation

Message ID 20140125181443.7981862e@armhf (mailing list archive)
State New, archived
Headers show

Commit Message

Jean-Francois Moine Jan. 25, 2014, 5:14 p.m. UTC 
This patch checks if the CEC device is well created at intialization
time.

Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
---
 drivers/gpu/drm/i2c/tda998x_drv.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Russell King - ARM Linux Jan. 27, 2014, 8:01 p.m. UTC | #1 
On Sat, Jan 25, 2014 at 06:14:43PM +0100, Jean-Francois Moine wrote:
> This patch checks if the CEC device is well created at intialization
> time.
> 
> Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
> Signed-off-by: Jean-Francois Moine <moinejf@free.fr>

Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff mbox

Patch

diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index 1adc794..a3ebc08 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -1177,6 +1177,8 @@  tda998x_encoder_init(struct i2c_client *client,
 	priv->current_page = 0xff;
 	priv->hdmi = client;
 	priv->cec = i2c_new_dummy(client->adapter, 0x34);
+	if (!priv->cec)
+		return -ENODEV;
 	priv->dpms = DRM_MODE_DPMS_OFF;
 
 	encoder_slave->slave_priv = priv;