linux-kernel - [PATCH -tip 2/4] [BUGFIX] perf probe: Fix not to return non-matched file

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Message-ID: <20100402165045.23551.47780.stgit@localhost6.localdomain6>
Date:	Fri, 02 Apr 2010 12:50:45 -0400
From:	Masami Hiramatsu <mhiramat@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>, lkml <linux-kernel@...r.kernel.org>
Cc:	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Mike Galbraith <efault@....de>,
	Frederic Weisbecker <fweisbec@...il.com>,
	systemtap <systemtap@...rces.redhat.com>,
	DLE <dle-develop@...ts.sourceforge.net>
Subject: [PATCH -tip 2/4] [BUGFIX] perf probe: Fix not to return non-matched
	file

Fix cu_find_realpath() not to return the last file path
if that is not matched to input pattern.

Signed-off-by: Masami Hiramatsu <mhiramat@...hat.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Mike Galbraith <efault@....de>
Cc: Frederic Weisbecker <fweisbec@...il.com>
---

 tools/perf/util/probe-finder.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index db52ec2..b44132e 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -183,6 +183,8 @@ static const char *cu_find_realpath(Dwarf_Die *cu_die, const char *fname)
 		if (strtailcmp(src, fname) == 0)
 			break;
 	}
+	if (i == nfiles)
+		return NULL;
 	return src;
 }
 


-- 
Masami Hiramatsu
e-mail: mhiramat@...hat.com
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