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authorTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>2012-07-31 20:37:00 +0900
committerJames Morris <james.l.morris@oracle.com>2012-08-03 14:47:17 +1000
commit9f99798ff49e73dded73a8c674044ea6fb6af651 (patch)
treea0a7c8d71a2bf74fef3c66cec37a49b020bf67e5
parentde4bb3b9c788ea5504dfe094e34d831e8395075d (diff)
downloadlinux-9f99798ff49e73dded73a8c674044ea6fb6af651.tar.gz
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>
-rw-r--r--include/linux/ptrace.h2
-rw-r--r--kernel/ptrace.c3
2 files changed, 2 insertions, 3 deletions
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 597e4fdb97f..3db698aee34 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 a232bb59d93..1f5e55dda95 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;