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authorRichard Cochran <richardcochran@gmail.com>2011-02-18 10:07:25 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-02-18 17:01:12 +0100
commitdb1c1cce4a653dcbe6949c72ae7b9f42cab1b929 (patch)
treec90203be70d8fbe19e462e45f0573e34208a8927 /kernel/time/ntp.c
parent22b7fcdae562b6792b3f5517e89fd7e0337180ae (diff)
ntp: Remove redundant and incorrect parameter check
The ADJ_SETOFFSET code redundantly checks the range of the nanoseconds field of the time value. This field is checked again in the subsequent call to timekeeping_inject_offset(). Also, as is, the check will not detect whether the number of microseconds is out of range. Let timekeeping_inject_offset() do the error checking. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Cc: johnstul@us.ibm.com LKML-Reference: <20110218090724.GA2924@riccoc20.at.omicron.at> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/time/ntp.c')
-rw-r--r--kernel/time/ntp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index 5ac593267a26..5f1bb8e2008f 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -650,13 +650,13 @@ int do_adjtimex(struct timex *txc)
if (txc->modes & ADJ_SETOFFSET) {
struct timespec delta;
- if ((unsigned long)txc->time.tv_usec >= NSEC_PER_SEC)
- return -EINVAL;
delta.tv_sec = txc->time.tv_sec;
delta.tv_nsec = txc->time.tv_usec;
if (!(txc->modes & ADJ_NANO))
delta.tv_nsec *= 1000;
- timekeeping_inject_offset(&delta);
+ result = timekeeping_inject_offset(&delta);
+ if (result)
+ return result;
}
getnstimeofday(&ts);