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| author | Ram Malovany <ramm@ti.com> | 2012-07-19 10:26:09 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-14 10:00:18 -0700 |
| commit | a431bd57a95921188f61096e5ce29d1b769be118 (patch) | |
| tree | f4fbb606f078679e9f9e918354ddba0b075e4ada | |
| parent | 4c795fe18aa1d2756a82c46ca29d4bfad2704d4d (diff) | |
| download | parrot-a431bd57a95921188f61096e5ce29d1b769be118.tar.gz | |
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>
| -rw-r--r-- | 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 1266f78fa8e32..866fc3b22fba0 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -1357,6 +1357,9 @@ 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; |