On Thu, Nov 11, 2021 at 11:08:52PM +0000, Mauro Carvalho Chehab wrote: > Fix this clang Werror with W=1: > > drivers/staging/media/atomisp/i2c/atomisp-gc2235.c:573:6: error: variable 'ret' set but not used [-Werror,-Wunused-but-set-variable] > int ret = -1; > ^ > > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> Reviewed-by: Nathan Chancellor <nathan@xxxxxxxxxx> > --- > > To mailbombing on a large number of people, only mailing lists were C/C on the cover. > See [PATCH 0/3] at: https://lore.kernel.org/all/cover.1636672052.git.mchehab+huawei@xxxxxxxxxx/ > > drivers/staging/media/atomisp/i2c/atomisp-gc2235.c | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c > index 5e7085264189..0e6b2e6100d1 100644 > --- a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c > +++ b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c > @@ -570,14 +570,16 @@ static int power_ctrl(struct v4l2_subdev *sd, bool flag) > static int gpio_ctrl(struct v4l2_subdev *sd, bool flag) > { > struct gc2235_device *dev = to_gc2235_sensor(sd); > - int ret = -1; > + int ret; > > if (!dev || !dev->platform_data) > return -ENODEV; > > - ret |= dev->platform_data->gpio1_ctrl(sd, !flag); > + ret = dev->platform_data->gpio1_ctrl(sd, !flag); > usleep_range(60, 90); > - return dev->platform_data->gpio0_ctrl(sd, flag); > + ret |= dev->platform_data->gpio0_ctrl(sd, flag); > + > + return ret; > } > > static int power_up(struct v4l2_subdev *sd) > -- > 2.33.1 > >