[media] mt9v032: Add missing initialization of pdata in mt9v032_get_pdata()

Message ID 1435580621-21663-1-git-send-email-geert@linux-m68k.org (mailing list archive)
State Superseded, archived
Delegated to: Laurent Pinchart
Headers

Commit Message

Geert Uytterhoeven June 29, 2015, 12:23 p.m. UTC
  drivers/media/i2c/mt9v032.c: In function ‘mt9v032_get_pdata’:
drivers/media/i2c/mt9v032.c:885: warning: ‘pdata’ may be used uninitialized in this function

If parsing the endpoint node properties fails, mt9v032_get_pdata() will
return an uninitialized pointer value.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/media/i2c/mt9v032.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
  

Comments

Laurent Pinchart June 30, 2015, 9:05 a.m. UTC | #1
Hi Geert,

Thank you for the patch.

On Monday 29 June 2015 14:23:41 Geert Uytterhoeven wrote:
> drivers/media/i2c/mt9v032.c: In function ‘mt9v032_get_pdata’:
> drivers/media/i2c/mt9v032.c:885: warning: ‘pdata’ may be used uninitialized
> in this function
> 
> If parsing the endpoint node properties fails, mt9v032_get_pdata() will
> return an uninitialized pointer value.
> 
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

and applied to my tree.

> ---
>  drivers/media/i2c/mt9v032.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c
> index 977f4006edbd496d..a68ce94ee097604a 100644
> --- a/drivers/media/i2c/mt9v032.c
> +++ b/drivers/media/i2c/mt9v032.c
> @@ -882,7 +882,7 @@ static const struct regmap_config mt9v032_regmap_config
> = { static struct mt9v032_platform_data *
>  mt9v032_get_pdata(struct i2c_client *client)
>  {
> -	struct mt9v032_platform_data *pdata;
> +	struct mt9v032_platform_data *pdata = NULL;
>  	struct v4l2_of_endpoint endpoint;
>  	struct device_node *np;
>  	struct property *prop;
  

Patch

diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c
index 977f4006edbd496d..a68ce94ee097604a 100644
--- a/drivers/media/i2c/mt9v032.c
+++ b/drivers/media/i2c/mt9v032.c
@@ -882,7 +882,7 @@  static const struct regmap_config mt9v032_regmap_config = {
 static struct mt9v032_platform_data *
 mt9v032_get_pdata(struct i2c_client *client)
 {
-	struct mt9v032_platform_data *pdata;
+	struct mt9v032_platform_data *pdata = NULL;
 	struct v4l2_of_endpoint endpoint;
 	struct device_node *np;
 	struct property *prop;