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Subject[tip:perf/core] perf probe: Fix not to return non-matched file
Commit-ID:  c9e385826d4f1ca5a72005ab8503598f791a8dc0
Gitweb: http://git.kernel.org/tip/c9e385826d4f1ca5a72005ab8503598f791a8dc0
Author: Masami Hiramatsu <mhiramat@redhat.com>
AuthorDate: Fri, 2 Apr 2010 12:50:45 -0400
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Fri, 2 Apr 2010 19:35:42 +0200

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@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
LKML-Reference: <20100402165045.23551.47780.stgit@localhost6.localdomain6>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
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;
}


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