On Tue, 2018-01-09 at 15:31 +0100, Greg Kroah-Hartman wrote:
> On Mon, Jan 08, 2018 at 06:38:55PM +0100, Valentin Vidic wrote:
> > Fixes checkpatch warnings:
> > CHECK: Unnecessary parentheses around 'mantisse != mantisse16'
> > CHECK: Unnecessary parentheses around 'mantisse != mantisse20'
> > CHECK: Unnecessary parentheses around 'mantisse != mantisse24'
[]
> > diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c
[]
> > @@ -391,9 +391,9 @@ static int rf69_set_bandwidth_intern(struct spi_device *spi, u8 reg,
> > return -EINVAL;
> > }
> >
> > - if ((mantisse != mantisse16) &&
> > - (mantisse != mantisse20) &&
> > - (mantisse != mantisse24)) {
> > + if (mantisse != mantisse16 &&
> > + mantisse != mantisse20 &&
> > + mantisse != mantisse24) {
>
> I'm getting really tired of seeing this checkpatch warning, when it's a
> major pain.
Your idea of major pain and mine differ a bit.
> Joe, can you please turn these off. Patches like this will force people
> to have to remember that != is higher precidence than &&.
As it's not just 1 precedence level but 4 and 5, it
really shouldn't be that hard to remember.
> The original code here was just fine.
And I don't really disagree with you.
David Miller has a preference for the parenthesis free
style. I believe he mentioned it sometime in August 2017
but I can't find it right now.
Anyway, perhaps
---
scripts/checkpatch.pl | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index d2464058ab5d..3a7499de2c2d 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4526,7 +4526,9 @@ sub process {
}
# check for unnecessary parentheses around comparisons in if uses
- if ($^V && $^V ge 5.10.0 && defined($stat) &&
+# when !drivers/staging or the command-line uses --strict
+ if (($realfile !~ m@^(?:drivers/staging/)@ || $check_orig) &&
+ $^V && $^V ge 5.10.0 && defined($stat) &&
$stat =~ /(^.\s*if\s*($balanced_parens))/) {
my $if_stat = $1;
my $test = substr($2, 1, -1);
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