[PATCH 15/16] time()/stime(): move compat to native

From: Al Viro
Date: Wed Jun 07 2017 - 04:47:24 EST


From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
kernel/compat.c | 40 ----------------------------------------
kernel/time/time.c | 42 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 42 insertions(+), 40 deletions(-)

diff --git a/kernel/compat.c b/kernel/compat.c
index 92ba0afafddc..a56aa5777987 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -737,46 +737,6 @@ COMPAT_SYSCALL_DEFINE4(rt_sigtimedwait, compat_sigset_t __user *, uthese,
return ret;
}

-#ifdef __ARCH_WANT_COMPAT_SYS_TIME
-
-/* compat_time_t is a 32 bit "long" and needs to get converted. */
-
-COMPAT_SYSCALL_DEFINE1(time, compat_time_t __user *, tloc)
-{
- compat_time_t i;
- struct timeval tv;
-
- do_gettimeofday(&tv);
- i = tv.tv_sec;
-
- if (tloc) {
- if (put_user(i,tloc))
- return -EFAULT;
- }
- force_successful_syscall_return();
- return i;
-}
-
-COMPAT_SYSCALL_DEFINE1(stime, compat_time_t __user *, tptr)
-{
- struct timespec tv;
- int err;
-
- if (get_user(tv.tv_sec, tptr))
- return -EFAULT;
-
- tv.tv_nsec = 0;
-
- err = security_settime(&tv, NULL);
- if (err)
- return err;
-
- do_settimeofday(&tv);
- return 0;
-}
-
-#endif /* __ARCH_WANT_COMPAT_SYS_TIME */
-
#ifdef CONFIG_NUMA
COMPAT_SYSCALL_DEFINE6(move_pages, pid_t, pid, compat_ulong_t, nr_pages,
compat_uptr_t __user *, pages32,
diff --git a/kernel/time/time.c b/kernel/time/time.c
index 400662f16c5a..1d5ebf6a8d9e 100644
--- a/kernel/time/time.c
+++ b/kernel/time/time.c
@@ -100,6 +100,48 @@ SYSCALL_DEFINE1(stime, time_t __user *, tptr)

#endif /* __ARCH_WANT_SYS_TIME */

+#ifdef CONFIG_COMPAT
+#ifdef __ARCH_WANT_COMPAT_SYS_TIME
+
+/* compat_time_t is a 32 bit "long" and needs to get converted. */
+
+COMPAT_SYSCALL_DEFINE1(time, compat_time_t __user *, tloc)
+{
+ compat_time_t i;
+ struct timeval tv;
+
+ do_gettimeofday(&tv);
+ i = tv.tv_sec;
+
+ if (tloc) {
+ if (put_user(i,tloc))
+ return -EFAULT;
+ }
+ force_successful_syscall_return();
+ return i;
+}
+
+COMPAT_SYSCALL_DEFINE1(stime, compat_time_t __user *, tptr)
+{
+ struct timespec tv;
+ int err;
+
+ if (get_user(tv.tv_sec, tptr))
+ return -EFAULT;
+
+ tv.tv_nsec = 0;
+
+ err = security_settime(&tv, NULL);
+ if (err)
+ return err;
+
+ do_settimeofday(&tv);
+ return 0;
+}
+
+#endif /* __ARCH_WANT_COMPAT_SYS_TIME */
+#endif
+
SYSCALL_DEFINE2(gettimeofday, struct timeval __user *, tv,
struct timezone __user *, tz)
{
--
2.11.0