Re: [PATCH] media: atomisp: fix `-Werror=return-type`

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On Sun, Oct 3, 2021 at 11:19 PM Pavel Skripkin <paskripkin@xxxxxxxxx> wrote:
>
> On 10/3/21 02:17, Ammar Faizi wrote:
> > Bedirhan reported build error:
> > ```
> >    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]
> >     1649 | }
> >          | ^
> >    cc1: some warnings being treated as errors
> >    make[4]: *** [scripts/Makefile.build:277: drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.o] Error 1
> >    make[3]: *** [scripts/Makefile.build:540: drivers/staging/media/atomisp] Error 2
> >    make[2]: *** [scripts/Makefile.build:540: drivers/staging/media] Error 2
> >    make[1]: *** [scripts/Makefile.build:540: drivers/staging] Error 2
> >    make: *** [Makefile:1868: drivers] Error 2
> > ```
> >
> > Commit 264f590899146baa19e0ab5689e55fadbc292333 ("media: atomisp:
> > remove useless returns") incorrectly removed a required return results
> > in the above build error. Reinstate it.
> >
> > Cc: Pavel Skripkin <paskripkin@xxxxxxxxx>
> > Cc: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
> > Cc: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> > Cc: linux-media@xxxxxxxxxxxxxxx
> > Cc: linux-staging@xxxxxxxxxxxxxxx
> > Cc: linux-kernel@xxxxxxxxxxxxxxx
> > Reported-by: Bedirhan KURT <windowz414@xxxxxxxxxxx>
> > Fixes: 264f590899146baa19e0ab5689e55fadbc292333 ("media: atomisp: remove useless returns")
> > Signed-off-by: Ammar Faizi <ammar.faizi@xxxxxxxxxxxxxxxxxxxxx>
> > ---
> >   .../media/atomisp/pci/hive_isp_css_common/host/input_system.c    | 1 +
> >   1 file changed, 1 insertion(+)
> >
> > 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..1bd917e81743 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 +1646,7 @@ static input_system_err_t input_system_configure_channel_sensor(
> >       default:
> >               return INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED;
> >       }
> > +     return INPUT_SYSTEM_ERR_NO_ERROR;
> >   }
> >
> >   // Test flags and set structure.
> >
>
> Hi, Ammar!
>
>
> Thank you for fixing this, but it's already fixed in linux-next tree.
> See commit 05344a1d2ea7 ("media: atomisp: restore missing 'return'
> statement").
>
> Again, I am sorry for introducing this bug :(
>
>
>
>
> With regards,
> Pavel Skripkin

No worries, thanks for the update :D

-- 
Ammar Faizi





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