diff --git a/drivers/usb/typec/tcpm/maxim_contaminant.c b/drivers/usb/typec/tcpm/maxim_contaminant.c
index f8504a90da26..60f90272fed3 100644
--- a/drivers/usb/typec/tcpm/maxim_contaminant.c
+++ b/drivers/usb/typec/tcpm/maxim_contaminant.c
@@ -137,7 +137,7 @@ static int max_contaminant_read_resistance_kohm(struct max_tcpci_chip *chip,
 
 		mv = max_contaminant_read_adc_mv(chip, channel, sleep_msec, raw, true);
 		if (mv < 0)
-			return ret;
+			return mv;
 
 		/* OVP enable */
 		ret = regmap_update_bits(regmap, TCPC_VENDOR_CC_CTRL2, CCOVPDIS, 0);
@@ -159,7 +159,7 @@ static int max_contaminant_read_resistance_kohm(struct max_tcpci_chip *chip,
 
 	mv = max_contaminant_read_adc_mv(chip, channel, sleep_msec, raw, true);
 	if (mv < 0)
-		return ret;
+		return mv;
 	/* Disable current source */
 	ret = regmap_update_bits(regmap, TCPC_VENDOR_CC_CTRL2, SBURPCTRL, 0);
 	if (ret < 0)