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Subject[PATCH -tip 4/4] [BUGFIX][RESEND] perf probe: Fix to close dwarf when failing to analyze it
Date
Fix to close libdw routine when failing to analyze it in
find_perf_probe_point().

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
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>
---
tools/perf/util/probe-finder.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 59b0115..a851377 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -818,8 +818,10 @@ int find_perf_probe_point(int fd, unsigned long addr,
return -ENOENT;

/* Find cu die */
- if (!dwarf_addrdie(dbg, (Dwarf_Addr)addr, &cudie))
- return -EINVAL;
+ if (!dwarf_addrdie(dbg, (Dwarf_Addr)addr, &cudie)) {
+ ret = -EINVAL;
+ goto end;
+ }

/* Find a corresponding line */
line = dwarf_getsrc_die(&cudie, (Dwarf_Addr)addr);

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


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