* [PATCH] video/mbx: constify fb_fix_screeninfo and fb_var_screeninfo structures
@ 2017-07-08 1:09 ` Gustavo A. R. Silva
0 siblings, 0 replies; 4+ messages in thread
From: Gustavo A. R. Silva @ 2017-07-08 1:09 UTC (permalink / raw)
To: Bartlomiej Zolnierkiewicz; +Cc: linux-fbdev, linux-kernel, Gustavo A. R. Silva
These structures are only used to copy into other structures,
so declare them as const.
This issue was detected using Coccinelle and the following semantic patch:
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct fb_fix_screeninfo i@p = { ... };
@ok@
identifier r.i;
expression e;
position p;
@@
e = i@p
@bad@
position p != {r.p,ok.p};
identifier r.i;
struct fb_fix_screeninfo e;
@@
e@i@p
@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
struct fb_fix_screeninfo i = { ... };
The semantic patch for fb_var_screeninfo is analogous.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
drivers/video/fbdev/mbx/mbxfb.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/video/fbdev/mbx/mbxfb.c b/drivers/video/fbdev/mbx/mbxfb.c
index 698df954..539b85d 100644
--- a/drivers/video/fbdev/mbx/mbxfb.c
+++ b/drivers/video/fbdev/mbx/mbxfb.c
@@ -79,7 +79,7 @@ struct mbxfb_info {
};
-static struct fb_var_screeninfo mbxfb_default = {
+static const struct fb_var_screeninfo mbxfb_default = {
.xres = 640,
.yres = 480,
.xres_virtual = 640,
@@ -102,7 +102,7 @@ static struct fb_var_screeninfo mbxfb_default = {
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
};
-static struct fb_fix_screeninfo mbxfb_fix = {
+static const struct fb_fix_screeninfo mbxfb_fix = {
.id = "MBX",
.type = FB_TYPE_PACKED_PIXELS,
.visual = FB_VISUAL_TRUECOLOR,
--
2.5.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH] video/mbx: constify fb_fix_screeninfo and fb_var_screeninfo structures
@ 2017-07-08 1:09 ` Gustavo A. R. Silva
0 siblings, 0 replies; 4+ messages in thread
From: Gustavo A. R. Silva @ 2017-07-08 1:09 UTC (permalink / raw)
To: Bartlomiej Zolnierkiewicz; +Cc: linux-fbdev, linux-kernel, Gustavo A. R. Silva
These structures are only used to copy into other structures,
so declare them as const.
This issue was detected using Coccinelle and the following semantic patch:
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct fb_fix_screeninfo i@p = { ... };
@ok@
identifier r.i;
expression e;
position p;
@@
e = i@p
@bad@
position p != {r.p,ok.p};
identifier r.i;
struct fb_fix_screeninfo e;
@@
e@i@p
@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
struct fb_fix_screeninfo i = { ... };
The semantic patch for fb_var_screeninfo is analogous.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
drivers/video/fbdev/mbx/mbxfb.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/video/fbdev/mbx/mbxfb.c b/drivers/video/fbdev/mbx/mbxfb.c
index 698df954..539b85d 100644
--- a/drivers/video/fbdev/mbx/mbxfb.c
+++ b/drivers/video/fbdev/mbx/mbxfb.c
@@ -79,7 +79,7 @@ struct mbxfb_info {
};
-static struct fb_var_screeninfo mbxfb_default = {
+static const struct fb_var_screeninfo mbxfb_default = {
.xres = 640,
.yres = 480,
.xres_virtual = 640,
@@ -102,7 +102,7 @@ static struct fb_var_screeninfo mbxfb_default = {
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
};
-static struct fb_fix_screeninfo mbxfb_fix = {
+static const struct fb_fix_screeninfo mbxfb_fix = {
.id = "MBX",
.type = FB_TYPE_PACKED_PIXELS,
.visual = FB_VISUAL_TRUECOLOR,
--
2.5.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] video/mbx: constify fb_fix_screeninfo and fb_var_screeninfo structures
2017-07-08 1:09 ` Gustavo A. R. Silva
@ 2017-08-01 12:27 ` Bartlomiej Zolnierkiewicz
-1 siblings, 0 replies; 4+ messages in thread
From: Bartlomiej Zolnierkiewicz @ 2017-08-01 12:27 UTC (permalink / raw)
To: Gustavo A. R. Silva; +Cc: linux-fbdev, linux-kernel
On Friday, July 07, 2017 08:09:56 PM Gustavo A. R. Silva wrote:
> These structures are only used to copy into other structures,
> so declare them as const.
>
> This issue was detected using Coccinelle and the following semantic patch:
>
> @r disable optional_qualifier@
> identifier i;
> position p;
> @@
> static struct fb_fix_screeninfo i@p = { ... };
>
> @ok@
> identifier r.i;
> expression e;
> position p;
> @@
> e = i@p
>
> @bad@
> position p != {r.p,ok.p};
> identifier r.i;
> struct fb_fix_screeninfo e;
> @@
> e@i@p
>
> @depends on !bad disable optional_qualifier@
> identifier r.i;
> @@
> static
> +const
> struct fb_fix_screeninfo i = { ... };
>
> The semantic patch for fb_var_screeninfo is analogous.
>
> Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Patch queued for 4.14, thanks.
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] video/mbx: constify fb_fix_screeninfo and fb_var_screeninfo structures
@ 2017-08-01 12:27 ` Bartlomiej Zolnierkiewicz
0 siblings, 0 replies; 4+ messages in thread
From: Bartlomiej Zolnierkiewicz @ 2017-08-01 12:27 UTC (permalink / raw)
To: Gustavo A. R. Silva; +Cc: linux-fbdev, linux-kernel
On Friday, July 07, 2017 08:09:56 PM Gustavo A. R. Silva wrote:
> These structures are only used to copy into other structures,
> so declare them as const.
>
> This issue was detected using Coccinelle and the following semantic patch:
>
> @r disable optional_qualifier@
> identifier i;
> position p;
> @@
> static struct fb_fix_screeninfo i@p = { ... };
>
> @ok@
> identifier r.i;
> expression e;
> position p;
> @@
> e = i@p
>
> @bad@
> position p != {r.p,ok.p};
> identifier r.i;
> struct fb_fix_screeninfo e;
> @@
> e@i@p
>
> @depends on !bad disable optional_qualifier@
> identifier r.i;
> @@
> static
> +const
> struct fb_fix_screeninfo i = { ... };
>
> The semantic patch for fb_var_screeninfo is analogous.
>
> Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Patch queued for 4.14, thanks.
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2017-08-01 12:27 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <CGME20170708010959epcas5p2f2a199a1dc503c643d964aee252cd38f@epcas5p2.samsung.com>
2017-07-08 1:09 ` [PATCH] video/mbx: constify fb_fix_screeninfo and fb_var_screeninfo structures Gustavo A. R. Silva
2017-07-08 1:09 ` Gustavo A. R. Silva
2017-08-01 12:27 ` Bartlomiej Zolnierkiewicz
2017-08-01 12:27 ` Bartlomiej Zolnierkiewicz
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.