headers_check: fix perl warnings
According to PBP; best way practice is to use local reference for file
handle and three argument open. Also perl prototypes are a mistake.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: WANG Cong <amwang@redhat.com>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
diff --git a/scripts/headers_check.pl b/scripts/headers_check.pl
index db1dd7a..50d6cfd 100644
--- a/scripts/headers_check.pl
+++ b/scripts/headers_check.pl
@@ -28,11 +28,12 @@
my $filename;
foreach my $file (@files) {
- local *FH;
$filename = $file;
- open(FH, "<$filename") or die "$filename: $!\n";
+
+ open(my $fh, '<', $filename)
+ or die "$filename: $!\n";
$lineno = 0;
- while ($line = <FH>) {
+ while ($line = <$fh>) {
$lineno++;
&check_include();
&check_asm_types();
@@ -40,7 +41,7 @@
&check_declarations();
# Dropped for now. Too much noise &check_config();
}
- close FH;
+ close $fh;
}
exit $ret;
@@ -78,7 +79,7 @@
}
my $linux_asm_types;
-sub check_asm_types()
+sub check_asm_types
{
if ($filename =~ /types.h|int-l64.h|int-ll64.h/o) {
return;