From 4498c80d9c1ebdf42837be6a52ead35a2aa2b819 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Tue, 21 Nov 2006 16:17:41 -0800 Subject: [PATCH] [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 --- net/bluetooth/hci_sock.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) 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 @@ void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb) 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; } -- 2.7.4