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 @@ -135,7 +135,7 @@ 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); @@ -157,7 +157,7 @@ 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) Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are queue-6.12/staging-iio-ad9834-correct-phase-range-check.patch queue-6.12/usb-typec-fix-pm-usage-counter-imbalance-in-ucsi_ccg_sync_control.patch queue-6.12/rtase-fix-a-check-for-error-in-rtase_alloc_msix.patch queue-6.12/usb-typec-tcpci-fix-null-pointer-issue-on-shared-irq-case.patch queue-6.12/usb-typec-tcpm-tcpci_maxim-fix-error-code-in-max_contaminant_read_resistance_kohm.patch