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perf probe: Fix to close dwarf when failing to analyze it

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Fix to close libdw routine when failing to analyze it in
find_perf_probe_point().

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: <20100402165059.23551.95587.stgit@localhost6.localdomain6>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Masami Hiramatsu 2010-04-02 12:50:59 -04:00 committed by Ingo Molnar
parent 12e5a7ae47
commit 75ec5a245c
1 changed files with 4 additions and 2 deletions
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6
tools/perf/util/probe-finder.c
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@ -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);