Re: [PATCH 1/1] posix clocks: introduce syscall for clock tuning.
flat view
From: Bert Wesarg <hidden>
Date: 2010-08-23 08:25:41
Also in:
lkml
On Mon, Aug 23, 2010 at 10:16, Richard Cochran [off-list ref] wrote:
quoted hunk ↗ jump to hunk
diff --git a/kernel/compat.c b/kernel/compat.c index 5adab05..df1e469 100644 --- a/kernel/compat.c +++ b/kernel/compat.c@@ -628,6 +628,26 @@ long compat_sys_clock_gettime(clockid_t which_clock,return err; } +long compat_sys_clock_adjtime(clockid_t which_clock, int ppb, + struct compat_timespec __user *tp) +{ + long err; + mm_segment_t oldfs; + struct timespec ts, *ptr = NULL;
Shouldn't ptr be initialized with tp?
+
+ if (tp) {
+ if (get_compat_timespec(&ts, tp))
+ return -EFAULT;
+ ptr = &ts;
+ }
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+ err = sys_clock_adjtime(which_clock, ppb,
+ (struct timespec __user *) ptr);
+ set_fs(oldfs);
+ return err;
+}
+
long compat_sys_clock_getres(clockid_t which_clock,
struct compat_timespec __user *tp)
{