[PATCH] drm/i2c: tda998x: fix memory leak in case of i2c error

From: Jean-Francois Moine
Date: Thu Feb 13 2014 - 03:33:36 EST


When the creation of the second i2c client was failing, the private
buffer was not freed.

This bug was introduced by the commit 6ae668cc19e8
'drm/i2c: tda998x: check the CEC device creation'

Signed-off-by: Jean-Francois Moine <moinejf@xxxxxxx>
---
drivers/gpu/drm/i2c/tda998x_drv.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index fa18cf3..faa77f5 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -1151,8 +1151,10 @@ tda998x_encoder_init(struct i2c_client *client,

priv->current_page = 0xff;
priv->cec = i2c_new_dummy(client->adapter, 0x34);
- if (!priv->cec)
+ if (!priv->cec) {
+ kfree(priv);
return -ENODEV;
+ }
priv->dpms = DRM_MODE_DPMS_OFF;

encoder_slave->slave_priv = priv;
--
1.9.0.rc3

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