[tip:perf/core] perf tools: Fix a compiling error in util/map.c

[tip-bot for Feng Tang]

Commit-ID:  8f28f19a87cb48d13570ba774a3e85776eb36bb4
Gitweb:     http://git.kernel.org/tip/8f28f19a87cb48d13570ba774a3e85776eb36bb4
Author:     Feng Tang <feng.tang@xxxxxxxxx>
AuthorDate: Mon, 27 Aug 2012 15:38:26 +0800
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Thu, 20 Sep 2012 08:36:34 -0300

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 âmap__fprintf_dsonameâ:
	util/map.c:240: error: âdsonameâ may be used uninitialized in this function
	make: *** [util/map.o] Error 1

Signed-off-by: Feng Tang <feng.tang@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1346053107-11946-3-git-send-email-feng.tang@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 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 b442ee4..ead5316 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -243,15 +243,14 @@ 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);
 }
--
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