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

[Joe Perches]

On Wed, 2020-11-11 at 00:36 +0530, Aditya Srivastava wrote:
> Currently checkpatch warns us if there is no 'Signed-off-by' line
> for the patch.

trivial style and a comment:

> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -2755,6 +2757,10 @@ sub process {
>  		if ($line =~ /^---$/) {
>  			$has_patch_separator = 1;
>  			$in_commit_log = 0;
> +			# to add missing sign off line before diff(s)
> +			if($patch_separator_linenr == 0) {

space after if

> +				$patch_separator_linenr = $linenr;
> +			}
[]
> @@ -7118,9 +7127,12 @@ sub process {
>  		      "Does not appear to be a unified-diff format patch\n");
>  	}
>  	if ($is_patch && $has_commit_log && $chk_signoff) {
> -		if ($signoff == 0) {
> -			ERROR("MISSING_SIGN_OFF",
> -			      "Missing Signed-off-by: line(s)\n");
> +		if ($signoff == 0 && !$non_standard_signature) {
> +			if (ERROR("MISSING_SIGN_OFF",
> +				  "Missing Signed-off-by: line(s)\n") &&
> +			    $fix) {
> +				fix_insert_line($patch_separator_linenr - 1, "Signed-off-by: $author");

Perhaps this needs to test $patch_separator_linenr to
make sure it's not 0.