Re: [PATCH] Yama: mark local symbols as static

From: Mukesh Ojha
Date: Wed Mar 27 2019 - 08:43:04 EST



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@xxxxxxxxxx>

Reviewed-by: Mukesh Ojha <mojha@xxxxxxxxxxxxxx>


---
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", },
{ }