linux-kernel - [PATCH 7/9] tracing: recordmcount.pl Combine the condition validation in update

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Date:	Tue, 27 Oct 2009 15:03:22 +0800
From:	Li Hong <lihong.hi@...il.com>
To:	Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org
Subject: [PATCH 7/9] tracing: recordmcount.pl Combine the condition
	validation in update_funcs 

>From d0aa9b99e4ffd13fada96bfe1651055b459e9988 Mon Sep 17 00:00:00 2001
From: Li Hong <lihong.hi@...il.com>
Date: Tue, 27 Oct 2009 13:20:48 +0800
Subject: [PATCH] tracing: recordmcount.pl Combine the condition validation in update_funcs

Move all the condition validation into function update_funcs. Also
update_funcs shouldn't die if $ref_func is undefined for there may be
more than one valid sections in an object file.

Signed-off-by: Li Hong <lihong.hi@...il.com>

diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index d750da8..490b4cd 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -350,9 +350,7 @@ my $offset = 0;		# offset of ref_func to section beginning
 #
 sub update_funcs
 {
-    return if ($#offsets < 0);
-
-    defined($ref_func) || die "No function to reference";
+    return unless ($ref_func and @offsets);
 
     # A section only had a weak function, to represent it.
     # Unfortunately, a weak function may be overwritten by another
@@ -426,7 +424,7 @@ while (<IN>) {
 	    $read_function = 0;
 	}
 	# print out any recorded offsets
-	update_funcs() if (defined($ref_func));
+	update_funcs();
 
 	# reset all markers and arrays
 	$text_found = 0;
@@ -463,7 +461,7 @@ while (<IN>) {
 }
 
 # dump out anymore offsets that may have been found
-update_funcs() if (defined($ref_func));
+update_funcs();
 
 # If we did not find any mcount callers, we are done (do nothing).
 if (!$opened) {
-- 
1.6.0.4

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