Messages in this thread Patch in this message | | | Subject | Re: [PATCH] checkpatch: exclude sizeof sub-expressions from MACRO_ARG_REUSE | From | Joe Perches <> | Date | Tue, 06 Aug 2019 03:25:37 -0700 |
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On Tue, 2019-08-06 at 06:59 +0000, Brendan Jackman wrote: > The arguments of sizeof are not evaluated so arguments are safe to > re-use in that context. Excludeing sizeof sub-expressions means > macros like ARRAY_SIZE can pass checkpatch.
Seems sensible, thanks.
> Signed-off-by: Brendan Jackman <brendan.jackman@bluwireless.co.uk> > --- > scripts/checkpatch.pl | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl > index 93a7edfe0f05..907a8e8d80ae 100755 > --- a/scripts/checkpatch.pl > +++ b/scripts/checkpatch.pl > @@ -5191,7 +5191,7 @@ sub process { > next if ($arg =~ /\.\.\./); > next if ($arg =~ /^type$/i); > my $tmp_stmt = $define_stmt; > - $tmp_stmt =~ s/\b(typeof|__typeof__|__builtin\w+|typecheck\s*\(\s*$Type\s*,|\#+)\s*\(*\s*$arg\s*\)*\b//g; > + $tmp_stmt =~ s/\b(sizeof|typeof|__typeof__|__builtin\w+|typecheck\s*\(\s*$Type\s*,|\#+)\s*\(*\s*$arg\s*\)*\b//g; > $tmp_stmt =~ s/\#+\s*$arg\b//g; > $tmp_stmt =~ s/\b$arg\s*\#\#//g; > my $use_cnt = () = $tmp_stmt =~ /\b$arg\b/g;
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