# [Linux-kernel-mentees] [PATCH] checkpatch: add --fix option for OPEN_BRACE issues

Dwaipayan Ray dwaipayanray1 at gmail.com
Wed Nov 18 18:45:19 UTC 2020

```On Thu, Nov 19, 2020 at 12:09 AM Joe Perches <joe at perches.com> wrote:
>
> On Thu, 2020-11-19 at 00:03 +0530, Dwaipayan Ray wrote:
> > On Wed, Nov 18, 2020 at 11:44 PM Joe Perches <joe at perches.com> wrote:
> > >
> > > On Wed, 2020-11-18 at 18:10 +0530, Dwaipayan Ray wrote:
> > > > Brace style misuses of the following types are now
> > > > corrected:
> > > []
> > > > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> > > []
> > > > @@ -3937,9 +3937,23 @@ sub process {
> > > >                       #print "pre<\$pre_ctx>\nline<\$line>\nctx<\$ctx>\nnext<\$lines[\$ctx_ln - 1]>\n";
> > > >
> > > >
> > > >                       if (\$ctx !~ /{\s*/ && defined(\$lines[\$ctx_ln - 1]) && \$lines[\$ctx_ln - 1] =~ /^\+\s*{/) {
> > > > -                             ERROR("OPEN_BRACE",
> > > > -                                   "that open brace { should be on the previous line\n" .
> > > > -                                     "\$here\n\$ctx\n\$rawlines[\$ctx_ln - 1]\n");
> > > > +                             if (ERROR("OPEN_BRACE",
> > > > +                                       "that open brace { should be on the previous line\n" .
> > > > +                                             "\$here\n\$ctx\n\$rawlines[\$ctx_ln - 1]\n") &&
> > > > +                                 \$fix) {
> > > > +                                     my \$line1 = \$rawlines[\$ctx_ln - 2];
> > >
> > > How are you sure that in a patch context this line always starts with /^\+/ ?
> >
> > Hi,
> > I followed it from the other fixes for OPEN_BRACE which were already
> > there. In the patch context if the lines are added then only I think the fix
> > should be triggered. Other instances should not be modified.
>
> As far as I know there are no existing uses of --fix with OPEN_BRACE.
>