Re: [PATCH] video: uvesafb: use true,false for bool variables
From: Sam Ravnborg
Date: Tue Jun 02 2020 - 16:50:41 EST
Hi Bartlomiej
On Mon, Jun 01, 2020 at 12:37:00PM +0200, Bartlomiej Zolnierkiewicz wrote:
>
> Hi,
>
> On 4/22/20 9:18 AM, Jason Yan wrote:
> > Fix the following coccicheck warning:
> >
> > drivers/video/fbdev/uvesafb.c:48:12-17: WARNING: Assignment of 0/1 to
> > bool variable
> > drivers/video/fbdev/uvesafb.c:1827:3-13: WARNING: Assignment of 0/1 to
> > bool variable
> > drivers/video/fbdev/uvesafb.c:1829:3-13: WARNING: Assignment of 0/1 to
> > bool variable
> > drivers/video/fbdev/uvesafb.c:1835:3-9: WARNING: Assignment of 0/1 to
> > bool variable
> > drivers/video/fbdev/uvesafb.c:1837:3-9: WARNING: Assignment of 0/1 to
> > bool variable
> > drivers/video/fbdev/uvesafb.c:1839:3-8: WARNING: Assignment of 0/1 to
> > bool variable
> >
> > Signed-off-by: Jason Yan <yanaijie@xxxxxxxxxx>
> > ---
> > drivers/video/fbdev/uvesafb.c | 12 ++++++------
> > 1 file changed, 6 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
> > index 1b385cf76110..bee29aadc646 100644
> > --- a/drivers/video/fbdev/uvesafb.c
> > +++ b/drivers/video/fbdev/uvesafb.c
> > @@ -45,7 +45,7 @@ static const struct fb_fix_screeninfo uvesafb_fix = {
> > };
> >
> > static int mtrr = 3; /* enable mtrr by default */
> > -static bool blank = 1; /* enable blanking by default */
> > +static bool blank = true; /* enable blanking by default */
> > static int ypan = 1; /* 0: scroll, 1: ypan, 2: ywrap */
> > static bool pmi_setpal = true; /* use PMI for palette changes */
> > static bool nocrtc; /* ignore CRTC settings */
> > @@ -1824,19 +1824,19 @@ static int uvesafb_setup(char *options)
> > else if (!strcmp(this_opt, "ywrap"))
> > ypan = 2;
> > else if (!strcmp(this_opt, "vgapal"))
> > - pmi_setpal = 0;
> > + pmi_setpal = false;
> > else if (!strcmp(this_opt, "pmipal"))
> > - pmi_setpal = 1;
> > + pmi_setpal = true;
> > else if (!strncmp(this_opt, "mtrr:", 5))
> > mtrr = simple_strtoul(this_opt+5, NULL, 0);
> > else if (!strcmp(this_opt, "nomtrr"))
> > mtrr = 0;
> > else if (!strcmp(this_opt, "nocrtc"))
> > - nocrtc = 1;
> > + nocrtc = true;
> > else if (!strcmp(this_opt, "noedid"))
> > - noedid = 1;
> > + noedid = true;
> > else if (!strcmp(this_opt, "noblank"))
> > - blank = 0;
> > + blank = true;
>
> The above conversion is incorrect.
>
> The follow-up fix is included below (the original patch has been
> already applied).
Good spot, sorry for missing this when I applied the original patch.
>
> Best regards,
> --
> Bartlomiej Zolnierkiewicz
> Samsung R&D Institute Poland
> Samsung Electronics
>
>
> From: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
> Subject: [PATCH] video: fbdev: uvesafb: fix "noblank" option handling
>
> Fix the recent regression.
>
> Fixes: dbc7ece12a38 ("video: uvesafb: use true,false for bool variables")
> Cc: Jason Yan <yanaijie@xxxxxxxxxx>
> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Cc: Michal Januszewski <spock@xxxxxxxxxx>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> ---
> drivers/video/fbdev/uvesafb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: b/drivers/video/fbdev/uvesafb.c
> ===================================================================
> --- a/drivers/video/fbdev/uvesafb.c
> +++ b/drivers/video/fbdev/uvesafb.c
> @@ -1836,7 +1836,7 @@ static int uvesafb_setup(char *options)
> else if (!strcmp(this_opt, "noedid"))
> noedid = true;
> else if (!strcmp(this_opt, "noblank"))
> - blank = true;
> + blank = false;
> else if (!strncmp(this_opt, "vtotal:", 7))
> vram_total = simple_strtoul(this_opt + 7, NULL, 0);
> else if (!strncmp(this_opt, "vremap:", 7))