File powertop-2.2-fix-crash-on-readonly-fs.patch of Package powertop

From bd72b4433fec358801afebf3f02ab899b1745c5f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jaroslav=20=C5=A0karvada?= <jskarvad@redhat.com>
Date: Wed, 28 Nov 2012 16:31:38 +0100
Subject: [PATCH] report: fixed crash when writing report to RO filesystem
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Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
---
 src/report/report.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/report/report.cpp b/src/report/report.cpp
index 51bc6a7..c018bb1 100644
--- a/src/report/report.cpp
+++ b/src/report/report.cpp
@@ -183,13 +183,16 @@ void init_report_output(char *filename_str, int iterations)
 
 void finish_report_output(void)
 {
-	fprintf(stderr, _("PowerTOP outputing using base filename %s\n"), reportout.filename);
 	if (reporttype == REPORT_OFF)
 		return;
 
 	report.finish_report();
-	fputs(report.get_result(), reportout.report_file);
-	fdatasync(fileno(reportout.report_file));
-	fclose(reportout.report_file);
+	if (reportout.report_file)
+	{
+		fprintf(stderr, _("PowerTOP outputing using base filename %s\n"), reportout.filename);
+		fputs(report.get_result(), reportout.report_file);
+		fdatasync(fileno(reportout.report_file));
+		fclose(reportout.report_file);
+	}
 	report.clear_result();
 }
-- 
1.7.11.7