From 9f99798ff49e73dded73a8c674044ea6fb6af651 Mon Sep 17 00:00:00 2001
From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Date: Tue, 31 Jul 2012 20:37:00 +0900
Subject: [PATCH] ptrace: mark __ptrace_may_access() static
__ptrace_may_access() is used within only kernel/ptrace.c.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <james.l.morris@oracle.com>
---
include/linux/ptrace.h | 2 --
kernel/ptrace.c | 3 ++-
2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 597e4fdb97fe4..3db698aee34cd 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -130,8 +130,6 @@ extern void exit_ptrace(struct task_struct *tracer);
#define PTRACE_MODE_READ 0x01
#define PTRACE_MODE_ATTACH 0x02
#define PTRACE_MODE_NOAUDIT 0x04
-/* Returns 0 on success, -errno on denial. */
-extern int __ptrace_may_access(struct task_struct *task, unsigned int mode);
/* Returns true on success, false on denial. */
extern bool ptrace_may_access(struct task_struct *task, unsigned int mode);
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index a232bb59d93fa..1f5e55dda9555 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -180,7 +180,8 @@ static int ptrace_has_cap(struct user_namespace *ns, unsigned int mode)
return has_ns_capability(current, ns, CAP_SYS_PTRACE);
}
-int __ptrace_may_access(struct task_struct *task, unsigned int mode)
+/* Returns 0 on success, -errno on denial. */
+static int __ptrace_may_access(struct task_struct *task, unsigned int mode)
{
const struct cred *cred = current_cred(), *tcred;
--
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