Re: [RFC][PATCH v2 7/7] checkpatch: add pF/pf deprecation warning

From: Sergey Senozhatsky
Date: Wed Sep 20 2017 - 20:27:32 EST


On (09/20/17 10:38), Joe Perches wrote:
> On Thu, 2017-09-21 at 01:29 +0900, Sergey Senozhatsky wrote:
> > We deprecated '%pF/%pf' printk specifiers, since '%pS/%ps' is now smart
> > enough to handle function pointer dereference on platforms where such
> > dereference is required.
> >
> > checkpatch warning example:
> >
> > WARNING: Use '%pS/%ps' instead. This pointer extension was deprecated: '%pF'
>
> If this series is accepted, I think this message
> is unclear and would prefer something like:

sure, can tweak the patch.

[..]
>   if ($bad_extension ne "") {
>   my $stat_real = raw_line($linenr, 0);
> + my $ext_type = "Invalid";
> + my $use = "";
>   for (my $count = $linenr + 1; $count <= $lc; $count++) {
>   $stat_real = $stat_real . "\n" . raw_line($count, 0);
>   }
> + if ($bad_extension =~ /p[Ff]/i) {
I think /i is not necessary here

> + $ext_type = "Deprecated";
> + $use = " - use %pS instead";
> + $use =~ s/pS/ps/ if ($bad_extension =~ /pf/);
ok, handy :)

-ss