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path: root/drivers/powercap/intel_rapl_common.c
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Diffstat (limited to 'drivers/powercap/intel_rapl_common.c')
-rw-r--r--drivers/powercap/intel_rapl_common.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c
index 925b0004a0ed..d5a505f32260 100644
--- a/drivers/powercap/intel_rapl_common.c
+++ b/drivers/powercap/intel_rapl_common.c
@@ -885,6 +885,9 @@ static u64 rapl_compute_time_window_core(struct rapl_package *rp, u64 value,
y = value & 0x1f;
value = (1 << y) * (4 + f) * rp->time_unit / 4;
} else {
+ if (value < rp->time_unit)
+ return 0;
+
do_div(value, rp->time_unit);
y = ilog2(value);
f = div64_u64(4 * (value - (1 << y)), 1 << y);