On 11/22/2017 4:32 PM, Jiri Olsa wrote:
On Wed, Nov 22, 2017 at 02:57:12PM +0800, Jin, Yao wrote:


On 11/22/2017 2:31 PM, Ravi Bangoria wrote:

On 11/20/2017 08:13 PM, Jin Yao wrote:
@@ -76,6 +97,17 @@ static struct rb_node *saved_value_new(struct
rblist *rblist __maybe_unused,
       return &nd->rb_node;
   }

+static void saved_value_delete(struct rblist *rblist __maybe_unused,
+                   struct rb_node *rb_node)
+{
+    struct saved_value *v = container_of(rb_node,
+                         struct saved_value,
+                         rb_node);
+
+    if (v)
+        free(v);
+}

Do we really need if(v) ?

Thanks,
Ravi


Hi Ravi,

Looks it doesn't need if(v).

I put if(v) here is from my coding habits (checking pointer before free).

It's OK for me if you think the code should be removed.

you could add BUG_ON(!rb_node);

jirka


Good idea! I will add BUG_ON checking there.

Thanks
Jin Yao

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