Hi Dan,

Am 25.09.2014 um 13:39 schrieb Dan Carpenter:
> We call "kfree(ir->i2c_client);" in the error handling and that doesn't
> work if "ir" is NULL.
>
> Fixes: 78e719a5f30b ('[media] em28xx-input: i2c IR decoders: improve 
> i2c_client handling')
> Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
>
> diff --git a/drivers/media/usb/em28xx/em28xx-input.c 
> b/drivers/media/usb/em28xx/em28xx-input.c
> index 581f6da..23f8f6a 100644
> --- a/drivers/media/usb/em28xx/em28xx-input.c
> +++ b/drivers/media/usb/em28xx/em28xx-input.c
> @@ -712,8 +712,10 @@ static int em28xx_ir_init(struct em28xx *dev)
>       em28xx_info("Registering input extension\n");
>  
>       ir = kzalloc(sizeof(*ir), GFP_KERNEL);
> +     if (!ir)
> +             return -ENOMEM;
>       rc = rc_allocate_device();
> -     if (!ir || !rc)
> +     if (!rc)
>               goto error;
>  
>       /* record handles to ourself */
I would prefer to fix it where the actual problem is located.
Can you send an updated version that changes the code to do

...
error:
if (ir)
  kfree(ir->i2c_client);
...

This makes the code less prone to future error handling changes.

Thanks !

Regards,
Frank

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