[BLUETOOTH]: Fix unaligned access in hci_send_to_sock.
The "u16 *" derefs of skb->data need to be wrapped inside of
a get_unaligned().
Thanks to Gustavo Zacarias for the bug report.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index f26a9eb..711a085 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -120,10 +120,13 @@
if (!hci_test_bit(evt, &flt->event_mask))
continue;
- if (flt->opcode && ((evt == HCI_EV_CMD_COMPLETE &&
- flt->opcode != *(__u16 *)(skb->data + 3)) ||
- (evt == HCI_EV_CMD_STATUS &&
- flt->opcode != *(__u16 *)(skb->data + 4))))
+ if (flt->opcode &&
+ ((evt == HCI_EV_CMD_COMPLETE &&
+ flt->opcode !=
+ get_unaligned((__u16 *)(skb->data + 3))) ||
+ (evt == HCI_EV_CMD_STATUS &&
+ flt->opcode !=
+ get_unaligned((__u16 *)(skb->data + 4)))))
continue;
}