[Linux-kernel-mentees] [PATCH v2] checkpatch: add fix option for ASSIGNMENT_CONTINUATIONS

[Joe Perches]

On Tue, 2020-11-17 at 16:22 +0530, 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.
[]
> diff --git 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*//;

As $operator could be a division, I believe it needs to be quoted.