commit: c810089c27e48b816181b454fcc493d19fdbc2ba
From: Ram Malovany <[email protected]>
Date: Thu, 19 Jul 2012 10:26:09 +0300
Subject: Bluetooth: Fix using NULL inquiry entry

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: [email protected]
Signed-off-by: Ram Malovany <[email protected]>
Signed-off-by: Gustavo Padovan <[email protected]>
---
 net/bluetooth/hci_event.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 248632c..b64cfa2 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -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;
-- 
1.7.3.4
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