perf annotate: Fix memory leaks in LOCK handling

The lock prefix handling fails to free the strdup()'d name as well as
the fields allocated by the instruction parsing.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Cc: Paul Mackerras <paulus@samba.org>
Link: http://lkml.kernel.org/r/1421607621-15005-2-git-send-email-rabin@rab.in
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index d5da1b8..01bc4e2 100644 (file)
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -177,6 +177,8 @@ static int lock__parse(struct ins_operands *ops)
                goto out_free_ops;
 
        ops->locked.ins = ins__find(name);
+       free(name);
+
        if (ops->locked.ins == NULL)
                goto out_free_ops;
 
@@ -209,6 +211,13 @@ static int lock__scnprintf(struct ins *ins, char *bf, size_t size,
 
 static void lock__delete(struct ins_operands *ops)
 {
+       struct ins *ins = ops->locked.ins;
+
+       if (ins && ins->ops->free)
+               ins->ops->free(ops->locked.ops);
+       else
+               ins__delete(ops->locked.ops);
+
        zfree(&ops->locked.ops);
        zfree(&ops->target.raw);
        zfree(&ops->target.name);