Re: [PATCH v1] lib/string_helpers: Add missed declaration of struct task_struct

From: Kees Cook
Date: Fri May 04 2018 - 00:34:41 EST


On Thu, May 3, 2018 at 6:13 PM, Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> Starting from the commit 0d0443288f22 the new function has been
> introduced which takes struct task_struct as a parameter. Though,
> compiler doesn't know where to get information about it at this stage.
>
> Add missed declaration of struct task_struct to satisfy compiler.
>
> Fixes: 0d0443288f22 ("string_helpers: add kstrdup_quotable_cmdline")
> Cc: Kees Cook <keescook@xxxxxxxxxxxx>
> Cc: James Morris <james.l.morris@xxxxxxxxxx>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

Acked-by: Kees Cook <keescook@xxxxxxxxxxxx>

I'm not sure who should carry this. You're welcome to put it in your tree?

-Kees

> ---
> include/linux/string_helpers.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h
> index 4397c52ec4a4..d23c5030901a 100644
> --- a/include/linux/string_helpers.h
> +++ b/include/linux/string_helpers.h
> @@ -5,6 +5,7 @@
> #include <linux/types.h>
>
> struct file;
> +struct task_struct;
>
> /* Descriptions of the types of units to
> * print in */
> --
> 2.17.0
>



--
Kees Cook
Pixel Security