> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> > Date: Wed, 19 Nov 2014 18:30:22 +0100 > > The functions backlight_device_unregister(), lcd_device_unregister() and > rc_unregister_device() test whether their argument is NULL and then > return immediately. Thus the test around the call is not needed. > > This issue was detected by using the Coccinelle software. > > Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> > --- > drivers/hid/hid-picolcd_backlight.c | 3 +-- > drivers/hid/hid-picolcd_cir.c | 3 +-- > drivers/hid/hid-picolcd_lcd.c | 3 +-- > 3 files changed, 3 insertions(+), 6 deletions(-) > > diff --git a/drivers/hid/hid-picolcd_backlight.c b/drivers/hid/hid-picolcd_backlight.c > index a32c5f8..808807a 100644 > --- a/drivers/hid/hid-picolcd_backlight.c > +++ b/drivers/hid/hid-picolcd_backlight.c > @@ -94,8 +94,7 @@ void picolcd_exit_backlight(struct picolcd_data *data) > struct backlight_device *bdev = data->backlight; > > data->backlight = NULL; > - if (bdev) > - backlight_device_unregister(bdev); > + backlight_device_unregister(bdev); > } > > int picolcd_resume_backlight(struct picolcd_data *data) > diff --git a/drivers/hid/hid-picolcd_cir.c b/drivers/hid/hid-picolcd_cir.c > index 045f8eb..9628651 100644 > --- a/drivers/hid/hid-picolcd_cir.c > +++ b/drivers/hid/hid-picolcd_cir.c > @@ -145,7 +145,6 @@ void picolcd_exit_cir(struct picolcd_data *data) > struct rc_dev *rdev = data->rc_dev; > > data->rc_dev = NULL; > - if (rdev) > - rc_unregister_device(rdev); > + rc_unregister_device(rdev); > } > > diff --git a/drivers/hid/hid-picolcd_lcd.c b/drivers/hid/hid-picolcd_lcd.c > index 89821c2..22dcbe1 100644 > --- a/drivers/hid/hid-picolcd_lcd.c > +++ b/drivers/hid/hid-picolcd_lcd.c > @@ -92,8 +92,7 @@ void picolcd_exit_lcd(struct picolcd_data *data) > struct lcd_device *ldev = data->lcd; > > data->lcd = NULL; > - if (ldev) > - lcd_device_unregister(ldev); > + lcd_device_unregister(ldev); > } > > int picolcd_resume_lcd(struct picolcd_data *data) > Would you like to integrate this update suggestion into another source code repository? Regards, Markus -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
