[Intel-gfx] [PATCH i-g-t] scripts/trace.pl: Fix ring ignore

[Chris Wilson]

Quoting Tvrtko Ursulin (2017-12-19 08:46:52)
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> Breakage from previous refactoring.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> Reported-by: John Harrison <John.C.Harrison at intel.com>
> Cc: John Harrison <John.C.Harrison at intel.com>
> ---
>  scripts/trace.pl | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/scripts/trace.pl b/scripts/trace.pl
> index 588126ad46ab..98e4a9843a43 100755
> --- a/scripts/trace.pl
> +++ b/scripts/trace.pl
> @@ -383,7 +383,7 @@ while (<>) {
>                 $tp{$kv[0]} = $kv[1];
>         }
>  
> -       return undef if exists $tp{'ring'} and exists $ignore_ring{$tp{'ring'}};
> +       next if exists $tp{'ring'} and exists $ignore_ring{$tp{'ring'}};

Skip if this tracepoint has a ring field (didn't you say you wanted to
change those to engines ;) and that name is included in the set of
ignores. Move on to the next tracepoint.

Does perl not like an undefined key? next if $ignore_ring{$tp{'ring'}};

Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris