Bluetooth: Fix using NULL inquiry entry
commit c810089c27e48b816181b454fcc493d19fdbc2ba upstream.
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.
Signed-off-by: Ram Malovany <ramm@ti.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 1266f78..866fc3b 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1357,6 +1357,9 @@
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;