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author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2010-10-22 04:10:57 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-10-22 22:09:21 -0200 |
commit | dda7ae789f1d9b0c2528f7abc37f4316f8fa1e0f (patch) | |
tree | bb8d0a170f3a88cc2a7bc2ed0a9d3b8c081e90e9 | |
parent | 29adc2c06fd7aa0a26135d8c96afd1cef9e6700b (diff) | |
download | lwn-dda7ae789f1d9b0c2528f7abc37f4316f8fa1e0f.tar.gz lwn-dda7ae789f1d9b0c2528f7abc37f4316f8fa1e0f.zip |
[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>
-rw-r--r-- | drivers/media/video/s5p-fimc/fimc-core.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h index e3a7c6a0dce2..3e1078516560 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.h +++ b/drivers/media/video/s5p-fimc/fimc-core.h @@ -222,10 +222,10 @@ struct fimc_effect { * @real_height: source pixel (height - offset) */ 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 scaleup_v:1; + unsigned int copy_mode:1; + unsigned int enabled:1; u32 hfactor; u32 vfactor; u32 pre_hratio; |