6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit b9711ff7cde0cfbcdd44cb1fac55b6eec496e690 upstream.
If max_contaminant_read_adc_mv() fails, then return the error code. Don't
return zero.
Fixes: 02b332a06397 ("usb: typec: maxim_contaminant: Implement check_contaminant callback")
Cc: stable <stable@xxxxxxxxxx>
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Reviewed-by: André Draszik <andre.draszik@xxxxxxxxxx>
Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/f1bf3768-419e-40dd-989c-f7f455d6c824@stanley.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/typec/tcpm/maxim_contaminant.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- 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_resistan
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_resistan
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)
