From e3e89cc535223433a619d0969db3fa05cdd946b8 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 4 Mar 2011 09:23:30 -0800
Subject: [PATCH] Mark ptrace_{traceme,attach,detach} static
They are only used inside kernel/ptrace.c, and have been for a long
time. We don't want to go back to the bad-old-days when architectures
did things on their own, so make them static and private.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
include/linux/ptrace.h | 3 ---
kernel/ptrace.c | 6 +++---
2 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 092a04f874a85..a1147e5dd245e 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -102,11 +102,8 @@
extern long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data);
-extern int ptrace_traceme(void);
extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst, int len);
extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len);
-extern int ptrace_attach(struct task_struct *tsk);
-extern int ptrace_detach(struct task_struct *, unsigned int);
extern void ptrace_disable(struct task_struct *);
extern int ptrace_check_attach(struct task_struct *task, int kill);
extern int ptrace_request(struct task_struct *child, long request,
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 1708b1e2972d6..e2302e40b3600 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -163,7 +163,7 @@ bool ptrace_may_access(struct task_struct *task, unsigned int mode)
return !err;
}
-int ptrace_attach(struct task_struct *task)
+static int ptrace_attach(struct task_struct *task)
{
int retval;
@@ -219,7 +219,7 @@ int ptrace_attach(struct task_struct *task)
* Performs checks and sets PT_PTRACED.
* Should be used by all ptrace implementations for PTRACE_TRACEME.
*/
-int ptrace_traceme(void)
+static int ptrace_traceme(void)
{
int ret = -EPERM;
@@ -293,7 +293,7 @@ static bool __ptrace_detach(struct task_struct *tracer, struct task_struct *p)
return false;
}
-int ptrace_detach(struct task_struct *child, unsigned int data)
+static int ptrace_detach(struct task_struct *child, unsigned int data)
{
bool dead = false;
--
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