tools lib traceevent: Fix missed freeing of subargs in free_arg() in filter

Some of args were missed in free_args(), as well as subargs.

That is args like FILTER_ARG_NUM have left and right pointers to other
args that also need to be freed.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1349137408.22822.135.camel@gandalf.local.home
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c
index ad17855528f9..5ea4326ad11f 100644
--- a/tools/lib/traceevent/parse-filter.c
+++ b/tools/lib/traceevent/parse-filter.c
@@ -209,7 +209,16 @@ static void free_arg(struct filter_arg *arg)
         switch (arg->type) {
         case FILTER_ARG_NONE:
         case FILTER_ARG_BOOLEAN:
+                break;
+
         case FILTER_ARG_NUM:
+                free_arg(arg->num.left);
+                free_arg(arg->num.right);
+                break;
+
+        case FILTER_ARG_EXP:
+                free_arg(arg->exp.left);
+                free_arg(arg->exp.right);
                 break;
 
         case FILTER_ARG_STR:
@@ -218,6 +227,12 @@ static void free_arg(struct filter_arg *arg)
                 free(arg->str.buffer);
                 break;
 
+        case FILTER_ARG_VALUE:
+                if (arg->value.type == FILTER_STRING ||
+                    arg->value.type == FILTER_CHAR)
+                        free(arg->value.str);
+                break;
+
         case FILTER_ARG_OP:
                 free_arg(arg->op.left);
                 free_arg(arg->op.right);