Re: [PATCH v2 01/30] checkpatch: Fix use of uninitialized value

[Philippe Mathieu-Daudé]

On 5/4/21 12:01 PM, Alex Bennée wrote:
> From: Greg Kurz <groug@kaod.org>
> 
> checkfilename() doesn't always set $acpi_testexpected. Fix the following
> warning:
> 
> Use of uninitialized value $acpi_testexpected in string eq at
>  ./scripts/checkpatch.pl line 1529.
> 
> Fixes: d2f1af0e4120 ("checkpatch: don't emit warning on newly created acpi 
> data files")
> Signed-off-by: Greg Kurz <groug@kaod.org>
> Reviewed-by: Isaku Yamahata <isaku.yamahata@intel.com>
> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
> Cc: isaku.yamahata@intel.com
> Message-Id: <20210408164610.14229-1-alex.bennee@linaro.org>
> Message-Id: <161786467973.295167.5612704777283969903.stgit@bahia.lan>
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
> ---
>  scripts/checkpatch.pl | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 8f7053ec9b..3d185cceac 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -1532,6 +1532,7 @@ sub process {
>                    ($line =~ /\{\s*([\w\/\.\-]*)\s*\=\>\s*([\w\/\.\-]*)\s*\}/ 
> &&
>                     (defined($1) || defined($2)))) &&
>                        !(($realfile ne '') &&
> +                        defined($acpi_testexpected) &&
>                          ($realfile eq $acpi_testexpected))) {
>                       $reported_maintainer_file = 1;
>                       WARN("added, moved or deleted file(s), does MAINTAINERS 
> need updating?\n" . $herecurr);
> 

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>