linux-kernel - [PATCH 1/2] checkstack: parse architecture correctly

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Date:	Mon, 14 Jan 2008 11:19:58 -0800
From:	Stephen Hemminger <stephen.hemminger@...tta.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] checkstack: parse architecture correctly

The checkstack script wouldn't work because it was picking up the
newline on the end of the output of uname -m.

Also, use a standard perl construct to print error message and
exit with non-zero error code.

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

--- a/scripts/checkstack.pl	2008-01-14 11:09:09.000000000 -0800
+++ b/scripts/checkstack.pl	2008-01-14 11:09:51.000000000 -0800
@@ -32,6 +32,7 @@ my (@stack, $re, $x, $xs);
 	my $arch = shift;
 	if ($arch eq "") {
 		$arch = `uname -m`;
+		chomp $arch;
 	}
 
 	$x	= "[0-9a-f]";	# hex character
@@ -85,8 +86,7 @@ my (@stack, $re, $x, $xs);
 		#   0:   00 e8 38 01     LINK 0x4e0;
 		$re = qr/.*[[:space:]]LINK[[:space:]]*(0x$x{1,8})/o;
 	} else {
-		print("wrong or unknown architecture\n");
-		exit
+	    	die "wrong or unknown architecture\"$arch\"\n";
 	}
 }
 
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