Re: [PATCH] video: uvesafb: use true,false for bool variables

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:

quoted

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@huawei.com>
---
 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 <redacted>
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@huawei.com>
Cc: Sam Ravnborg <redacted>
Cc: Michal Januszewski <spock@gentoo.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <redacted>

Reviewed-by: Sam Ravnborg <redacted>