[media] s5p-fimc: dubious one-bit signed bitfields
authorSylwester Nawrocki <s.nawrocki@samsung.com>
Fri, 22 Oct 2010 07:10:57 +0000 (04:10 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Sat, 23 Oct 2010 00:09:21 +0000 (22:09 -0200)
commitdda7ae789f1d9b0c2528f7abc37f4316f8fa1e0f
treebb8d0a170f3a88cc2a7bc2ed0a9d3b8c081e90e9
parent29adc2c06fd7aa0a26135d8c96afd1cef9e6700b
[media] s5p-fimc: dubious one-bit signed bitfields

> From: Dan Carpenter [mailto:error27@gmail.com]
>
> These are signed so instead of being 1 and 0 as intended they are -1 and
> 0.  It doesn't cause a bug in the current code but Sparse warns about
> it:
>
> drivers/media/video/s5p-fimc/fimc-core.h:226:28:
>  error: dubious one-bit signed bitfield
>  struct fimc_scaler {
> - int scaleup_h:1;
> - int scaleup_v:1;
> - int copy_mode:1;
> - int enabled:1;
> + unsigned int scaleup_h:1;
> + unsigned int caleup_v:1;
> + unsigned int copy_mode:1;
> + unsigned int enabled:1;

In general I agree, however this patch would change scaleup_v:1
to caleup_v, so it cannot be applied in current form.
Here is the corrected patch:

Reported-by: Dan Carpenter <error27@gmail.com<
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/video/s5p-fimc/fimc-core.h