diff options
| author | Joe Perches <joe@perches.com> | 2014-06-04 16:12:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-04 16:54:20 -0700 |
| commit | f5ef95b12eb03ae4b3994cdb035612e127b630b9 (patch) | |
| tree | 1fe1265d5b6570ba3df3b39b8f2c3a74121e6abb /scripts | |
| parent | 2ac73b4f685e699ccdfa6855e826df846999d577 (diff) | |
checkpatch: warn on #defines ending in semicolon
Using a #define ending in a semicolon is poor style and can lead to
unexpected code paths being executed.
Warn on uses of these #define types:
#define foo[(...)] bar;
#define foo[(...)] \
bar;
Based on a patch from Borislav Petkov.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Borislav Petkov <bp@suse.de>
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, 11 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index bb4c8428f333..e7ff52a39ec9 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -3821,6 +3821,17 @@ sub process { WARN("DO_WHILE_MACRO_WITH_TRAILING_SEMICOLON", "do {} while (0) macros should not be semicolon terminated\n" . "$herectx"); } + } elsif ($dstat =~ /^\+\s*#\s*define\s+$Ident.*;\s*$/) { + $ctx =~ s/\n*$//; + my $cnt = statement_rawlines($ctx); + my $herectx = $here . "\n"; + + for (my $n = 0; $n < $cnt; $n++) { + $herectx .= raw_line($linenr, $n) . "\n"; + } + + WARN("TRAILING_SEMICOLON", + "macros should not use a trailing semicolon\n" . "$herectx"); } } |