Bluetooth: Fix using NULL inquiry entry
authorRam Malovany <ramm@ti.com>
Thu, 19 Jul 2012 07:26:09 +0000 (10:26 +0300)
committerGustavo Padovan <gustavo.padovan@collabora.co.uk>
Mon, 6 Aug 2012 18:19:36 +0000 (15:19 -0300)
If entry wasn't found in the hci_inquiry_cache_lookup_resolve do not
resolve the name.This will fix a kernel crash when trying to use NULL
pointer.

Cc: stable@vger.kernel.org
Signed-off-by: Ram Malovany <ramm@ti.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
net/bluetooth/hci_event.c

index 248632c..b64cfa2 100644 (file)
@@ -1365,6 +1365,9 @@ static bool hci_resolve_next_name(struct hci_dev *hdev)
                return false;
 
        e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
+       if (!e)
+               return false;
+
        if (hci_resolve_name(hdev, e) == 0) {
                e->name_state = NAME_PENDING;
                return true;