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ptrace: mark __ptrace_may_access() static

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__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>
This commit is contained in:
Tetsuo Handa 2012-07-31 20:37:00 +09:00 committed by James Morris
parent de4bb3b9c7
commit 9f99798ff4
2 changed files with 2 additions and 3 deletions
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2
include/linux/ptrace.h
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@ -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);

3
kernel/ptrace.c
View File

@ -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;