> -----Original Message----- > From: Dan Carpenter [mailto:error27@xxxxxxxxx] > Sent: Thursday, October 21, 2010 9:24 PM > To: Mauro Carvalho Chehab > Cc: Kyungmin Park; Sylwester Nawrocki; Pawel Osciak; Marek Szyprowski; > linux-media@xxxxxxxxxxxxxxx; kernel-janitors@xxxxxxxxxxxxxxx > Subject: [patch 3/3] V4L/DVB: s5p-fimc: dubious one-bit signed > bitfields > > 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 > > Signed-off-by: Dan Carpenter <error27@xxxxxxxxx> > > diff --git a/drivers/media/video/s5p-fimc/fimc-core.h > b/drivers/media/video/s5p-fimc/fimc-core.h > index e3a7c6a..7665a3f 100644 > --- a/drivers/media/video/s5p-fimc/fimc-core.h > +++ b/drivers/media/video/s5p-fimc/fimc-core.h > @@ -222,10 +223,10 @@ 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 caleup_v:1; > + unsigned int copy_mode:1; > + unsigned int enabled:1; > u32 hfactor; > u32 vfactor; > u32 pre_hratio; 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: diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h index e3a7c6a..3e10785 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; Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> -- Sylwester Nawrocki Linux Platform Group Samsung Poland R&D Center -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
