On Fri, 2020-11-20 at 16:11 +0530, Aditya wrote:
> On 17/11/20 10:48 pm, Aditya Srivastava wrote:
> > Currently, checkpatch warns us if an assignment operator is placed
> > at the start of a line and not at the end of previous line.
> >
> > E.g., running checkpatch on commit 8195b1396ec8 ("hv_netvsc: fix
> > deadlock on hotplug") reports:
> >
> > CHECK: Assignment operator '=' should be on the previous line
> > + struct netvsc_device *nvdev
> > + = container_of(w, struct netvsc_device, subchan_work);
> >
> > Provide a simple fix by appending assignment operator to the previous
> > line and removing from the current line, if both the lines are additions
> > (ie start with '+')
> >
> > Signed-off-by: Aditya Srivastava <yashsri...@gmail.com>
> > ---
> > Changes in v2:
> > add check if both the lines are additions (ie start with '+')
> >
> > Changes in v3:
> > quote $operator; test with division assignment operator ('/=')
> >
> > scripts/checkpatch.pl | 10 ++++++++--
> > 1 file changed, 8 insertions(+), 2 deletions(-)
> >
> > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> > index c9aaaa443265..d5bc4d8e4f6c 100755
> > --- a/scripts/checkpatch.pl
> > +++ b/scripts/checkpatch.pl
> > @@ -3542,8 +3542,14 @@ sub process {
> >
> >
> > # check for assignments on the start of a line
> > if ($sline =~ /^\+\s+($Assignment)[^=]/) {
> > - CHK("ASSIGNMENT_CONTINUATIONS",
> > - "Assignment operator '$1' should be on the previous
> > line\n" . $hereprev);
> > + my $operator = "$1";
> > + if (CHK("ASSIGNMENT_CONTINUATIONS",
> > + "Assignment operator '$1' should be on the
> > previous line\n" . $hereprev) &&
> > + $fix && $prevrawline =~ /^\+/) {
> > + # add assignment operator to the previous line,
> > remove from current line
> > + $fixed[$fixlinenr - 1] .= " $operator";
> > + $fixed[$fixlinenr] =~ s/$operator\s*//;
> > + }
> > }
> >
> >
> > # check for && or || at the start of a line
> >
>
> Hi Joe
> This patch probably got missed. Please review :)
Did you look at $Assignment? Did you see it can be /= ?
If it is, what happens in the $fixed[$fixlinenr] line?
