On 02-08-2021 20:08, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > The input_system_configure_channel_sensor() function lost its final > return code in a previous patch: > > drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c: In function 'input_system_configure_channel_sensor': > drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c:1649:1: error: control reaches end of non-void function [-Werror=return-type] > > Restore what was there originally. > > Fixes: 728a5c64ae5f ("media: atomisp: remove dublicate code") > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > --- > .../media/atomisp/pci/hive_isp_css_common/host/input_system.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c b/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c > index 8e085dda0c18..712e01c37870 100644 > --- a/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c > +++ b/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c > @@ -1646,6 +1646,8 @@ static input_system_err_t input_system_configure_channel_sensor( > default: > return INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED; > } > + > + return INPUT_SYSTEM_ERR_NO_ERROR; I would recommend to return "status" instead of INPUT_SYSTEM_ERR_NO_ERROR, this will take care of sending correct return code, we encounter in different case statements. Something like below would be better. Thanks. - return INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED; + status = INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED; } + return status; Regards, ~Praveen.