X-Git-Url: http://git.agner.ch/gitweb/?a=blobdiff_plain;f=drivers%2Fhwmon%2Fvt8231.c;h=aee14e2192f8813dbb59dee615142db9505dcd9a;hb=96b7fe0119b932ad25451d2b6357e727bbe6a309;hp=0e7017841f7dacb9b1341e4313f4acaf009349a6;hpb=f35546e072a7a86ccb950d4d1508879b0d49e374;p=linux-drm-fsl-dcu.git

diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c
index 0e7017841f7d..aee14e2192f8 100644
--- a/drivers/hwmon/vt8231.c
+++ b/drivers/hwmon/vt8231.c
@@ -145,7 +145,7 @@ static const u8 regtempmin[] = { 0x3a, 0x3e, 0x2c, 0x2e, 0x30, 0x32 };
  */
 static inline u8 FAN_TO_REG(long rpm, int div)
 {
-	if (rpm == 0)
+	if (rpm <= 0 || rpm > 1310720)
 		return 0;
 	return clamp_val(1310720 / (rpm * div), 1, 255);
 }