On 06/05/2022 13:34, Yihao Han wrote: > Since ret is a redundant variable, and none of the callers check > for return, so remove ret variable and change return type of > 'i2c_s3c_irq_nextbyte' from 'int' to 'void' > > Suggested-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> > Signed-off-by: Yihao Han <hanyihao@xxxxxxxx> > --- > drivers/i2c/busses/i2c-s3c2410.c | 6 +----- > 1 file changed, 1 insertion(+), 5 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c > index b49a1b170bb2..75ddf7ffb028 100644 > --- a/drivers/i2c/busses/i2c-s3c2410.c > +++ b/drivers/i2c/busses/i2c-s3c2410.c > @@ -381,17 +381,15 @@ static inline int is_msgend(struct s3c24xx_i2c *i2c) > /* > * process an interrupt and work out what to do > */ > -static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) > +static void i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) > { > unsigned long tmp; > unsigned char byte; > - int ret = 0; > > switch (i2c->state) { > > case STATE_IDLE: > dev_err(i2c->dev, "%s: called in STATE_IDLE\n", __func__); > - goto out; This does not look equivalent. Should be a return here. Best regards, Krzysztof