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If the write fails, subsequent register reads operate=0A= on an indeterminate page, leading to silent misconfiguration.=0A= =0A= Check the return value and propagate the error using dev_err_probe(),=0A= which also handles -EPROBE_DEFER correctly without log spam.=0A= =0A= Fixes: 28ccdfd11344 ("hwmon: (pmbus) Add Infineon PXE1610 VR driver")=0A= Signed-off-by: Sanman Pradhan =0A= ---=0A= drivers/hwmon/pmbus/pxe1610.c | 5 ++++-=0A= 1 file changed, 4 insertions(+), 1 deletion(-)=0A= =0A= diff --git a/drivers/hwmon/pmbus/pxe1610.c b/drivers/hwmon/pmbus/pxe1610.c= =0A= index 6a4a978eca7e..24c1f961c766 100644=0A= --- a/drivers/hwmon/pmbus/pxe1610.c=0A= +++ b/drivers/hwmon/pmbus/pxe1610.c=0A= @@ -104,7 +104,10 @@ static int pxe1610_probe(struct i2c_client *client)=0A= * By default this device doesn't boot to page 0, so set page 0=0A= * to access all pmbus registers.=0A= */=0A= - i2c_smbus_write_byte_data(client, PMBUS_PAGE, 0);=0A= + ret =3D i2c_smbus_write_byte_data(client, PMBUS_PAGE, 0);=0A= + if (ret < 0)=0A= + return dev_err_probe(&client->dev, ret,=0A= + "Failed to set page 0\n");=0A= =0A= /* Read Manufacturer id */=0A= ret =3D i2c_smbus_read_block_data(client, PMBUS_MFR_ID, buf);=0A= -- =0A= 2.34.1=0A= =0A=