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| author | Prakruthi Deepak Heragu <pheragu@codeaurora.org> | 2018-08-21 21:57:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-22 10:52:48 -0700 |
| commit | 60f890105547f7a48ea1d67c5ae69966c7245b23 (patch) | |
| tree | 2c5ac8940118dbe13a4ccd2ae2f0eb6706188e3b /scripts | |
| parent | 4cab63cea374c684eb0db352b40a09e3f7c45057 (diff) | |
| download | linux-stable-60f890105547f7a48ea1d67c5ae69966c7245b23.tar.gz linux-stable-60f890105547f7a48ea1d67c5ae69966c7245b23.tar.bz2 linux-stable-60f890105547f7a48ea1d67c5ae69966c7245b23.zip | |
checkpatch: check for #if 0/#if 1
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.
[akpm@linux-foundation.org: fix spacing around periods, per Joe\
Link: http://lkml.kernel.org/r/1532625218-24321-1-git-send-email-pheragu@codeaurora.org
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Signed-off-by: Prakruthi Deepak Heragu <pheragu@codeaurora.org>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/checkpatch.pl | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index d43a446941ce..b5eade941f4a 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -5422,9 +5422,14 @@ 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 |