ptrace: mark __ptrace_may_access() static

Tetsuo Handa · James Morris · commit 9f99798ff49e · 2012-08-03T14:47:17.000+10:00
__ptrace_may_access() is used within only kernel/ptrace.c.

Signed-off-by: Tetsuo Handa &lt;penguin-kernel@I-love.SAKURA.ne.jp&gt;
Signed-off-by: James Morris &lt;james.l.morris@oracle.com&gt;
diff --git 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
@@ -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;
 

Original file line number	Diff line number	Diff line change
`@@ -180,7 +180,8 @@ static int ptrace_has_cap(struct user_namespace *ns, unsigned int mode)`
`180`	`180`	`return has_ns_capability(current, ns, CAP_SYS_PTRACE);`
`181`	`181`	`}`
`182`	`182`
`183`		`-int __ptrace_may_access(struct task_struct *task, unsigned int mode)`
	`183`	`+/* Returns 0 on success, -errno on denial. */`
	`184`	`+static int __ptrace_may_access(struct task_struct *task, unsigned int mode)`
`184`	`185`	`{`
`185`	`186`	`const struct cred cred = current_cred(), tcred;`
`186`	`187`