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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2011-08-11 20:02:29 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2011-08-12 09:21:15 -0300
commit8afa2a707d3d1320df5d35966729ac5262da737d (patch)
tree92126a1e215cb43bd1f29db65e33f9ad3c5fd5e9 /tools
parente9b52ef2228cd0bed7a4465c693a39489e2c338d (diff)
perf probe: Fix a memory leak for scopes array
Fix a memory leak for scopes array when it finds a variable in the global scope. Reviewed-by: Pekka Enberg <penberg@kernel.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: yrl.pp-manager.tt@hitachi.com Link: http://lkml.kernel.org/r/20110811110229.19900.63019.stgit@fedora15 Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/probe-finder.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 3e44a3e3651..573c7236322 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -660,6 +660,7 @@ static int find_variable(Dwarf_Die *sp_die, struct probe_finder *pf)
else {
/* Search upper class */
nscopes = dwarf_getscopes_die(sp_die, &scopes);
+ ret = -ENOENT;
while (nscopes-- > 1) {
pr_debug("Searching variables in %s\n",
dwarf_diename(&scopes[nscopes]));
@@ -668,14 +669,12 @@ static int find_variable(Dwarf_Die *sp_die, struct probe_finder *pf)
pf->pvar->var, 0,
&vr_die)) {
ret = convert_variable(&vr_die, pf);
- goto found;
+ break;
}
}
if (scopes)
free(scopes);
- ret = -ENOENT;
}
-found:
if (ret < 0)
pr_warning("Failed to find '%s' in this function.\n",
pf->pvar->var);