linux-kernel - [PATCH 2/2] checkstack: fix perl warnings

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Date:	Mon, 14 Jan 2008 11:19:34 -0800
From:	Stephen Hemminger <stephen.hemminger@...tta.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] checkstack: fix perl warnings

If you enable perl warnings on this script, it shows a couple of problems:
	
  Parentheses missing around "my" list at scripts/checkstack.pl line 105.
  Useless use of a variable in void context at scripts/checkstack.pl line 105.
  Use of uninitialized value in string eq at scripts/checkstack.pl line 33.

Signed-off-by: Stephen Hemminger <stephen.hemminger@...tta.com>

--- a/scripts/checkstack.pl	2008-01-14 11:10:57.000000000 -0800
+++ b/scripts/checkstack.pl	2008-01-14 11:11:56.000000000 -0800
@@ -30,7 +30,7 @@
 my (@stack, $re, $x, $xs);
 {
 	my $arch = shift;
-	if ($arch eq "") {
+	if (! defined $arch) {
 		$arch = `uname -m`;
 		chomp $arch;
 	}
@@ -102,7 +102,8 @@ sub bysize($) {
 #
 my $funcre = qr/^$x* <(.*)>:$/;
 my $func;
-my $file, $lastslash;
+my $file;
+my $lastslash;
 
 while (my $line = <STDIN>) {
 	if ($line =~ m/$funcre/) {
--
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