On Tue, Jan 07, 2020 at 09:40:40AM -0600, Eddie James wrote: > If the user write parameters resulted in no bytes being written to the > temporary buffer, then ON_OFF_CONFIG will be written with uninitialized > data. Prevent this by bailing out in this case. > > Signed-off-by: Eddie James <eajames@xxxxxxxxxxxxx> Applied. Thanks, Guenter > --- > drivers/hwmon/pmbus/ibm-cffps.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/hwmon/pmbus/ibm-cffps.c b/drivers/hwmon/pmbus/ibm-cffps.c > index 1c91ee1f9926..3795fe55b84f 100644 > --- a/drivers/hwmon/pmbus/ibm-cffps.c > +++ b/drivers/hwmon/pmbus/ibm-cffps.c > @@ -250,7 +250,7 @@ static ssize_t ibm_cffps_debugfs_write(struct file *file, > pmbus_set_page(psu->client, 0); > > rc = simple_write_to_buffer(&data, 1, ppos, buf, count); > - if (rc < 0) > + if (rc <= 0) > return rc; > > rc = i2c_smbus_write_byte_data(psu->client,
