* [PATCH v2] checkpatch: check for #if 0/#if 1
@ 2018-07-26 17:13 Prakruthi Deepak Heragu
2018-07-26 21:31 ` Joe Perches
0 siblings, 1 reply; 2+ messages in thread
From: Prakruthi Deepak Heragu @ 2018-07-26 17:13 UTC (permalink / raw)
To: apw, joe
Cc: linux-kernel, ckadabi, tsoni, bryanh, Abhijeet Dharmapurikar,
Prakruthi Deepak Heragu
The #if 0 or #if 1 is used to toggle features. Warn if #if 0 or #if 1
is present and suggest that they can be removed.
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Signed-off-by: Prakruthi Deepak Heragu <pheragu@codeaurora.org>
---
Changes in v2:
- Rephrase the warning for #if 0
Changes in v1:
- Rephrase the warning message to fit in a single line without
80 column limit
scripts/checkpatch.pl | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 3394ed8..1dfe83f 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5383,9 +5383,14 @@ sub process {
# warn about #if 0
if ($line =~ /^.\s*\#\s*if\s+0\b/) {
- CHK("REDUNDANT_CODE",
- "if this code is redundant consider removing it\n" .
- $herecurr);
+ WARN("IF_0",
+ "Consider removing the code enclosed by this #if 0 and its #endif\n". $herecurr);
+ }
+
+# warn about #if 1
+ if ($line =~ /^.\s*\#\s*if\s+1\b/) {
+ WARN("IF_1",
+ "Consider removing the #if 1 and its #endif\n". $herecurr);
}
# check for needless "if (<foo>) fn(<foo>)" uses
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] checkpatch: check for #if 0/#if 1
2018-07-26 17:13 [PATCH v2] checkpatch: check for #if 0/#if 1 Prakruthi Deepak Heragu
@ 2018-07-26 21:31 ` Joe Perches
0 siblings, 0 replies; 2+ messages in thread
From: Joe Perches @ 2018-07-26 21:31 UTC (permalink / raw)
To: Prakruthi Deepak Heragu, apw, Andrew Morton
Cc: linux-kernel, ckadabi, tsoni, bryanh, Abhijeet Dharmapurikar
On Thu, 2018-07-26 at 10:13 -0700, Prakruthi Deepak Heragu wrote:
> The #if 0 or #if 1 is used to toggle features. Warn if #if 0 or #if 1
> is present and suggest that they can be removed.
>
> Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
> Signed-off-by: Prakruthi Deepak Heragu <pheragu@codeaurora.org>
Andrew, can you please move the misplaced periods below
to the appropriate positions?
Otherwise:
Acked-by: Joe Perches <joe@perches.com>
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -5383,9 +5383,14 @@ sub process {
>
> # warn about #if 0
> if ($line =~ /^.\s*\#\s*if\s+0\b/) {
> - CHK("REDUNDANT_CODE",
> - "if this code is redundant consider removing it\n" .
> - $herecurr);
> + WARN("IF_0",
> + "Consider removing the code enclosed by this #if 0 and its #endif\n". $herecurr);
This should have a space before the . and only one space after.
> + }
> +
> +# warn about #if 1
> + if ($line =~ /^.\s*\#\s*if\s+1\b/) {
> + WARN("IF_1",
> + "Consider removing the #if 1 and its #endif\n". $herecurr);
here too
> }
>
> # check for needless "if (<foo>) fn(<foo>)" uses
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2018-07-26 21:31 ` Joe Perches
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