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Diffstat (limited to 'arch/arm64/kvm/hyp/nvhe/clock.c')
-rw-r--r--arch/arm64/kvm/hyp/nvhe/clock.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/clock.c b/arch/arm64/kvm/hyp/nvhe/clock.c
index 32fc4313fe43..a7fc61976fd0 100644
--- a/arch/arm64/kvm/hyp/nvhe/clock.c
+++ b/arch/arm64/kvm/hyp/nvhe/clock.c
@@ -35,6 +35,9 @@ void trace_clock_update(u32 mult, u32 shift, u64 epoch_ns, u64 epoch_cyc)
struct clock_data *clock = &trace_clock_data;
u64 bank = clock->cur ^ 1;
+ if (!mult || shift >= 64)
+ return;
+
clock->data[bank].mult = mult;
clock->data[bank].shift = shift;
clock->data[bank].epoch_ns = epoch_ns;