summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJean-Francois Moine <moinejf@free.fr>2014-01-25 18:14:43 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2014-02-02 16:44:45 +0000
commit6ae668cc19e8b18df28cd67b3448d9abd79284a4 (patch)
tree17af2ebfd1d73678deb5aff8417531929aacb7cf
parent7288ca07b638db485abec5752bd6b1faed1c33ef (diff)
downloadlinux-stable-6ae668cc19e8b18df28cd67b3448d9abd79284a4.tar.gz
linux-stable-6ae668cc19e8b18df28cd67b3448d9abd79284a4.tar.bz2
linux-stable-6ae668cc19e8b18df28cd67b3448d9abd79284a4.zip
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>
-rw-r--r--drivers/gpu/drm/i2c/tda998x_drv.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index e62082654e01..c37180abcc4b 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -1144,6 +1144,8 @@ tda998x_encoder_init(struct i2c_client *client,
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;