Re: [PATCH] checkpatch: add --strict "pointer comparison to NULL" test

From: Joe Perches
Date: Thu Aug 27 2015 - 03:22:53 EST


On Thu, 2015-08-27 at 09:09 +0200, Nicolas Morey Chaisemartin wrote:
> > From: "Joe Perches" <joe@xxxxxxxxxxx>
[]
> > And because most likely, "CONST test variable" checks like
> > NULL != foo
> > and
> > 0 < bar
> >
> > should probably be a separate test.
[]
> > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> > + if ($comp eq "<") {
> > + $newcomp = ">=";
> > + } elsif ($comp eq "<=") {
> > + $newcomp = ">";
> > + } elsif ($comp eq ">") {
> > + $newcomp = "<=";
> > + } elsif ($comp eq ">=") {
> > + $newcomp = "<";
> > + }
>
> I like the concept but are you sure about this?
> I think the "=" should be added or removed. If a < b, b > a, not b >= a.

Right thanks, it's obviously incorrect.


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