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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2013-10-11 12:23:17 +0000
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-10-15 14:37:38 -0300
commit1b286bdd5b7684c681b63d5e75cada037064c315 (patch)
treefb241e12b1f3f8c0518097e3966b66a5723aa92b /tools
parent1651d120baddf68846188bcdf0ef5350068436cf (diff)
downloadop-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>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/probe-finder.c2
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;
}
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