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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2019-12-19 10:33:36 +0100
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2019-12-19 10:33:36 +0100
commit01956ef82685c0793214d0bd28889304c7ed9068 (patch)
tree8d4ec514ba1c9e88cb0fd90871777d4917ff113f /kernel/time/ntp.c
parent866ced99cbaa08b8dafdc0b0febf49cd6c3cf5a8 (diff)
parentfa8a03bec68d9ef89da72277bd3501ed3daa6217 (diff)
Merge branch 'github.com/Freescale/linux-fslc/4.14-2.0.x-imx' into toradex_4.14-2.0.x-imx-next
Conflicts: sound/soc/codecs/sgtl5000.c
Diffstat (limited to 'kernel/time/ntp.c')
-rw-r--r--kernel/time/ntp.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index 4bb9b66338be..9288532f73c8 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -43,6 +43,7 @@ static u64 tick_length_base;
#define MAX_TICKADJ 500LL /* usecs */
#define MAX_TICKADJ_SCALED \
(((MAX_TICKADJ * NSEC_PER_USEC) << NTP_SCALE_SHIFT) / NTP_INTERVAL_FREQ)
+#define MAX_TAI_OFFSET 100000
/*
* phase-lock loop variables
@@ -640,7 +641,8 @@ static inline void process_adjtimex_modes(struct timex *txc,
time_constant = max(time_constant, 0l);
}
- if (txc->modes & ADJ_TAI && txc->constant >= 0)
+ if (txc->modes & ADJ_TAI &&
+ txc->constant >= 0 && txc->constant <= MAX_TAI_OFFSET)
*time_tai = txc->constant;
if (txc->modes & ADJ_OFFSET)