diff mbox

[v2,1/3] checkpatch: add Kconfig 'default n' test

Message ID 1461335527-19270-1-git-send-email-yingjoe.chen@mediatek.com
State Superseded
Headers show

Commit Message

Yingjoe Chen April 22, 2016, 2:32 p.m. UTC
If a Kconfig config option doesn't specify 'default', the default
will be n. Adding 'default n' is unnecessary.

Add a test to warn about this.

Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>

---
Change in v2:
- Change according to Joe Perches' suggestion

 scripts/checkpatch.pl | 7 +++++++
 1 file changed, 7 insertions(+)

-- 
1.9.1

Comments

Yingjoe Chen May 4, 2016, 1:06 a.m. UTC | #1
On Fri, 2016-04-22 at 22:32 +0800, Yingjoe Chen wrote:
> If a Kconfig config option doesn't specify 'default', the default

> will be n. Adding 'default n' is unnecessary.

> 

> Add a test to warn about this.

> 

> Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>

> ---

> Change in v2:

> - Change according to Joe Perches' suggestion

> 

>  scripts/checkpatch.pl | 7 +++++++

>  1 file changed, 7 insertions(+)

> 

> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl

> index d574d13..3cb7c2d 100755

> --- a/scripts/checkpatch.pl

> +++ b/scripts/checkpatch.pl

> @@ -2600,6 +2600,13 @@ sub process {

>  			     "Use of boolean is deprecated, please use bool instead.\n" . $herecurr);

>  		}

>  

> +# discourage the use of default n

> +		if ($realfile =~ /Kconfig/ &&

> +		    $line =~ /^\+\s*default\s*n\s*(#.*|$)/i) {

> +			WARN("CONFIG_DEFAULT_N",

> +			     "Use of default n is unnecessary, default is n when omitted.\n" . $herecurr);

> +		}

> +

>  		if (($realfile =~ /Makefile.*/ || $realfile =~ /Kbuild.*/) &&

>  		    ($line =~ /\+(EXTRA_[A-Z]+FLAGS).*/)) {

>  			my $flag = $1;


Hi,

Any suggestion for this new round?

Joe.C
diff mbox

Patch

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index d574d13..3cb7c2d 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2600,6 +2600,13 @@  sub process {
 			     "Use of boolean is deprecated, please use bool instead.\n" . $herecurr);
 		}
 
+# discourage the use of default n
+		if ($realfile =~ /Kconfig/ &&
+		    $line =~ /^\+\s*default\s*n\s*(#.*|$)/i) {
+			WARN("CONFIG_DEFAULT_N",
+			     "Use of default n is unnecessary, default is n when omitted.\n" . $herecurr);
+		}
+
 		if (($realfile =~ /Makefile.*/ || $realfile =~ /Kbuild.*/) &&
 		    ($line =~ /\+(EXTRA_[A-Z]+FLAGS).*/)) {
 			my $flag = $1;