RE: [PATCH 9/9] drivers/isdn/gigaset/common.c: Remove useless kfree

[David Laight]

> Remove useless kfree() and clean up code related to the removal.
...
> diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
> index aa41485..30a6b17 100644
> --- a/drivers/isdn/gigaset/common.c
> +++ b/drivers/isdn/gigaset/common.c
> @@ -1123,7 +1123,6 @@ struct gigaset_driver *gigaset_initdriver(unsigned minor, unsigned minors,
>  	return drv;
> 
>  error:
> -	kfree(drv->cs);
>  	kfree(drv);
>  	return NULL;
>  }
> 

Seems to me that (assuming kfree(NULL) is ok) the kfree()
is best left in - just in case some other error path is
added after drv->cs is assigned.
Better safe than a memory leak.

	David



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