From 10a2825514a988225ac2e336c7a9502c4ca57c39 Mon Sep 17 00:00:00 2001
From: Mike Galbraith <efault@gmx.de>
Date: Tue, 2 Jun 2009 11:04:44 +0200
Subject: [PATCH] perf_counter tools: Fix uninitialized variable in
 perf-report.c
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# make prefix=/usr/local V=1
gcc -o builtin-report.o -c -O2 -ggdb3 -Wall -Werror -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement   -DSHA1_HEADER='<openssl/sha.h>'  builtin-report.c
cc1: warnings being treated as errors
builtin-report.c: In function ‘__cmd_report’:
builtin-report.c:626: error: ‘cwdlen’ may be used uninitialized in this function

Signed-off-by: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
LKML-Reference: <new-submission>
---
 Documentation/perf_counter/builtin-report.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c
index 7973092094e1..20a4e519dfd1 100644
--- a/Documentation/perf_counter/builtin-report.c
+++ b/Documentation/perf_counter/builtin-report.c
@@ -653,8 +653,10 @@ static int __cmd_report(void)
 			return EXIT_FAILURE;
 		}
 		cwdlen = strlen(cwd);
-	} else
+	} else {
 		cwdp = NULL;
+		cwdlen = 0;
+	}
 remap:
 	buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ,
 			   MAP_SHARED, input, offset);
-- 
2.20.1