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| author | Thomas Gleixner <tglx@linutronix.de> | 2015-01-26 11:02:59 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-01-26 11:02:59 +0100 |
| commit | 64c96a57b73397415eafa4ac2020ea7d99d7168c (patch) | |
| tree | e71719d174d22aab6362858d383c292149ec8ae9 /kernel/time/ntp.c | |
| parent | e2e64a932556cdfae455497dbe94a8db151fc9fa (diff) | |
| parent | 26bc420b59a38e4e6685a73345a0def461136dce (diff) | |
Merge branch 'linus' into irq/core
Reason: Pull in upstream fixes on which new patches depend on.
Diffstat (limited to 'kernel/time/ntp.c')
| -rw-r--r-- | kernel/time/ntp.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index 87a346fd6d61..28bf91c60a0b 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -633,6 +633,13 @@ int ntp_validate_timex(struct timex *txc) if ((txc->modes & ADJ_SETOFFSET) && (!capable(CAP_SYS_TIME))) return -EPERM; + if (txc->modes & ADJ_FREQUENCY) { + if (LONG_MIN / PPM_SCALE > txc->freq) + return -EINVAL; + if (LONG_MAX / PPM_SCALE < txc->freq) + return -EINVAL; + } + return 0; } |