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path: root/drivers/hwmon/nct7904.c
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Diffstat (limited to 'drivers/hwmon/nct7904.c')
-rw-r--r--drivers/hwmon/nct7904.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/hwmon/nct7904.c b/drivers/hwmon/nct7904.c
index b0425694f702..242ff8bee78d 100644
--- a/drivers/hwmon/nct7904.c
+++ b/drivers/hwmon/nct7904.c
@@ -231,7 +231,7 @@ static int nct7904_read_fan(struct device *dev, u32 attr, int channel,
if (ret < 0)
return ret;
cnt = ((ret & 0xff00) >> 3) | (ret & 0x1f);
- if (cnt == 0x1fff)
+ if (cnt == 0 || cnt == 0x1fff)
rpm = 0;
else
rpm = 1350000 / cnt;
@@ -243,7 +243,7 @@ static int nct7904_read_fan(struct device *dev, u32 attr, int channel,
if (ret < 0)
return ret;
cnt = ((ret & 0xff00) >> 3) | (ret & 0x1f);
- if (cnt == 0x1fff)
+ if (cnt == 0 || cnt == 0x1fff)
rpm = 0;
else
rpm = 1350000 / cnt;