Re: [PATCH v2] input: synaptics-rmi4 - use snprintf instead of sprintf in rmi_i2c.c

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On 01/09/2014 02:25 PM, Dmitry Torokhov wrote:
Input: synaptics-rmi4 - fix disabling gpio config in i2c transport

From: Dmitry Torokhov<dmitry.torokhov@xxxxxxxxx>

We need to pass into pdata->gpio_config() gpio_data which is already a
pointer, and not its address.

Signed-off-by: Dmitry Torokhov<dmitry.torokhov@xxxxxxxxx>
---
  drivers/input/rmi4/rmi_i2c.c |    8 +++++---
  1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/input/rmi4/rmi_i2c.c b/drivers/input/rmi4/rmi_i2c.c
index ebe74ec..12aea8c 100644
--- a/drivers/input/rmi4/rmi_i2c.c
+++ b/drivers/input/rmi4/rmi_i2c.c
@@ -168,7 +168,8 @@ exit:
  static int rmi_i2c_probe(struct i2c_client *client,
  			 const struct i2c_device_id *id)
  {
-	const struct rmi_device_platform_data *pdata = dev_get_platdata(&client->dev);
+	const struct rmi_device_platform_data *pdata =
+				dev_get_platdata(&client->dev);
  	struct rmi_transport_dev *xport;
  	struct rmi_i2c_data *data;
  	int retval;
@@ -250,12 +251,13 @@ err_gpio:
  static int rmi_i2c_remove(struct i2c_client *client)
  {
  	struct rmi_transport_dev *xport = i2c_get_clientdata(client);
-	struct rmi_device_platform_data *pdata = dev_get_platdata(&client->dev);
+	const struct rmi_device_platform_data *pdata =
+				dev_get_platdata(&client->dev);

  	rmi_unregister_transport_device(xport);

  	if (pdata->gpio_config)
-		pdata->gpio_config(&pdata->gpio_data, false);
+		pdata->gpio_config(pdata->gpio_data, false);

  	return 0;
  }

It's just plain freaky that no problem ever arose from that, but definitely it's a bug.

Acked-by: Christopher Heiny <cheiny@xxxxxxxxxxxxx>
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