linux-kernel - Re: [PATCH] Yama: mark local symbols as static

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Message-ID: <b63d2960-98f4-a2cd-41a5-3d9bd1ff0ec5@codeaurora.org>
Date:   Wed, 27 Mar 2019 18:12:52 +0530
From:   Mukesh Ojha <mojha@...eaurora.org>
To:     Jann Horn <jannh@...gle.com>, Kees Cook <keescook@...omium.org>
Cc:     linux-kernel@...r.kernel.org, James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        linux-security-module@...r.kernel.org
Subject: Re: [PATCH] Yama: mark local symbols as static


On 3/27/2019 4:38 AM, Jann Horn wrote:
> sparse complains that Yama defines functions and a variable as non-static
> even though they don't exist in any header. Fix it by making them static.
>
> Signed-off-by: Jann Horn <jannh@...gle.com>

Reviewed-by: Mukesh Ojha <mojha@...eaurora.org>


> ---
>   security/yama/yama_lsm.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c
> index 57cc60722dd3..06b14a57b0a4 100644
> --- a/security/yama/yama_lsm.c
> +++ b/security/yama/yama_lsm.c
> @@ -206,7 +206,7 @@ static void yama_ptracer_del(struct task_struct *tracer,
>    * yama_task_free - check for task_pid to remove from exception list
>    * @task: task being removed
>    */
> -void yama_task_free(struct task_struct *task)
> +static void yama_task_free(struct task_struct *task)
>   {
>   	yama_ptracer_del(task, task);
>   }
> @@ -401,7 +401,7 @@ static int yama_ptrace_access_check(struct task_struct *child,
>    *
>    * Returns 0 if following the ptrace is allowed, -ve on error.
>    */
> -int yama_ptrace_traceme(struct task_struct *parent)
> +static int yama_ptrace_traceme(struct task_struct *parent)
>   {
>   	int rc = 0;
>   
> @@ -452,7 +452,7 @@ static int yama_dointvec_minmax(struct ctl_table *table, int write,
>   static int zero;
>   static int max_scope = YAMA_SCOPE_NO_ATTACH;
>   
> -struct ctl_path yama_sysctl_path[] = {
> +static struct ctl_path yama_sysctl_path[] = {
>   	{ .procname = "kernel", },
>   	{ .procname = "yama", },
>   	{ }