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| author | Joe Perches <joe@perches.com> | 2017-05-08 15:55:48 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-08 17:15:11 -0700 |
| commit | e795556a581a849bf33b22521bf8ebc97ab899ea (patch) | |
| tree | 95d899c64140b8046d4dc6ffcec806e77533655d /scripts | |
| parent | d9190e4e1a057ad55027cbefd1d21f6eae93fe0e (diff) | |
| download | linux-e795556a581a849bf33b22521bf8ebc97ab899ea.tar.gz linux-e795556a581a849bf33b22521bf8ebc97ab899ea.tar.xz | |
checkpatch: improve MULTISTATEMENT_MACRO_USE_DO_WHILE test
The logic currrently misses macros that start with an if statement.
e.g.: #define foo(bar) if (bar) baz;
Add a test for macro content that starts with if
Link: http://lkml.kernel.org/r/a9d41aafe1673889caf1a9850208fb7fd74107a0.1491783914.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Andreas Mohr <andi@lisas.de>
Original-patch-by: Alfonso Lima <alfonsolimaastor@gmail.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 | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 3a1cb9d7474e..feb9e856f11d 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -4849,8 +4849,10 @@ sub process { $dstat !~ /^\(\{/ && # ({... $ctx !~ /^.\s*#\s*define\s+TRACE_(?:SYSTEM|INCLUDE_FILE|INCLUDE_PATH)\b/) { - - if ($dstat =~ /;/) { + if ($dstat =~ /^\s*if\b/) { + ERROR("MULTISTATEMENT_MACRO_USE_DO_WHILE", + "Macros starting with if should be enclosed by a do - while loop to avoid possible if/else logic defects\n" . "$herectx"); + } elsif ($dstat =~ /;/) { ERROR("MULTISTATEMENT_MACRO_USE_DO_WHILE", "Macros with multiple statements should be enclosed in a do - while loop\n" . "$herectx"); } else { |