linux-kernel - [PATCH 2/3] Perf tools: Fix a compiling error in util/map.c

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Message-Id: <1346053107-11946-3-git-send-email-feng.tang@intel.com>
Date:	Mon, 27 Aug 2012 15:38:26 +0800
From:	Feng Tang <feng.tang@...el.com>
To:	acme@...hat.com
Cc:	mingo@...e.hu, a.p.zijlstra@...llo.nl, namhyung@...nel.org,
	dsahern@...il.com, linux-kernel@...r.kernel.org,
	Feng Tang <feng.tang@...el.com>
Subject: [PATCH 2/3] Perf tools: Fix a compiling error in util/map.c

This patch fix a compile warning taken as error:

	CC util/map.o
	cc1: warnings being treated as errors
	util/map.c: In function ‘map__fprintf_dsoname’:
	util/map.c:240: error: ‘dsoname’ may be used uninitialized in this function
	make: *** [util/map.o] Error 1

Signed-off-by: Feng Tang <feng.tang@...el.com>
---
 tools/perf/util/map.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 7d37159..5f90dda 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -237,15 +237,14 @@ size_t map__fprintf(struct map *self, FILE *fp)
 
 size_t map__fprintf_dsoname(struct map *map, FILE *fp)
 {
-	const char *dsoname;
+	const char *dsoname = "[unknown]";
 
 	if (map && map->dso && (map->dso->name || map->dso->long_name)) {
 		if (symbol_conf.show_kernel_path && map->dso->long_name)
 			dsoname = map->dso->long_name;
 		else if (map->dso->name)
 			dsoname = map->dso->name;
-	} else
-		dsoname = "[unknown]";
+	}
 
 	return fprintf(fp, "%s", dsoname);
 }
-- 
1.7.1

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