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| author | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2013-10-11 12:23:17 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-10-15 14:37:38 -0300 |
| commit | 1b286bdd5b7684c681b63d5e75cada037064c315 (patch) | |
| tree | fb241e12b1f3f8c0518097e3966b66a5723aa92b | |
| parent | 1651d120baddf68846188bcdf0ef5350068436cf (diff) | |
| download | op-kernel-dev-1b286bdd5b7684c681b63d5e75cada037064c315.zip op-kernel-dev-1b286bdd5b7684c681b63d5e75cada037064c315.tar.gz | |
perf probe: Fix to initialize fname always before use it
Fix perf probe --list to initialize fname local var always before
use it. This may cause a SEGV if there is a probe which is in
the function body but not in any inline function.
Problem introduced in:
commit e08cfd4bda76
Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Date: Mon Sep 30 18:21:44 2013 +0900
perf probe: Fix to find line information for probe list
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20131011122317.9662.29736.stgit@kbuild-fedora.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/util/probe-finder.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index c09e0a9..f069273 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -1357,10 +1357,10 @@ int debuginfo__find_probe_point(struct debuginfo *self, unsigned long addr, goto post; } + fname = dwarf_decl_file(&spdie); if (addr == (unsigned long)baseaddr) { /* Function entry - Relative line number is 0 */ lineno = baseline; - fname = dwarf_decl_file(&spdie); goto post; } |
