On Sat, 6 Jan 2024 12:14:22 -0600 David Lechner <david@xxxxxxxxxxxxxx> wrote: > On 1/6/24 9:22 AM, Colin Ian King wrote: > > Variable ret is being assigned a value that is never read, the variable > > is being re-assigned again a few statements later. Remove it. > > > > Cleans up clang scan build warning: > > warning: Value stored to 'ret' is never read [deadcode.DeadStores] > > > > Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx> > > --- > > drivers/iio/adc/ti-ads7950.c | 2 -- > > 1 file changed, 2 deletions(-) > > > > diff --git a/drivers/iio/adc/ti-ads7950.c b/drivers/iio/adc/ti-ads7950.c > > index 263fc3a1b87e..f975de059ba0 100644 > > --- a/drivers/iio/adc/ti-ads7950.c > > +++ b/drivers/iio/adc/ti-ads7950.c > > @@ -441,8 +441,6 @@ static int ti_ads7950_get(struct gpio_chip *chip, unsigned int offset) > > if (ret) > > goto out; > > > > - ret = ((st->single_rx >> 12) & BIT(offset)) ? 1 : 0; > > - > > /* Revert back to original settings */ > > st->cmd_settings_bitmask &= ~TI_ADS7950_CR_GPIO_DATA; > > st->single_tx = TI_ADS7950_MAN_CMD_SETTINGS(st); > > This does not look like the correct fix. This is the intended return value of the function in the case of no errors. So we probably need to introduce a new variable instead so that it doesn't get written over. Agreed. Needs to stash that in another local variable and return that value if ret == 0. J
