diff options
| author | John W. Linville <linville@tuxdriver.com> | 2013-12-18 19:46:08 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-12-18 19:46:08 +0100 |
| commit | b7e047358449f8eb5cba8197b42280b676b82e54 (patch) | |
| tree | 88174a5fa109cb71eee4dd6413e35c7412095769 /net/bluetooth | |
| parent | ath9k: Fix interrupt handling for the AR9002 family (diff) | |
| parent | Bluetooth: Fix HCI User Channel permission check in hci_sock_sendmsg (diff) | |
| download | linux-b7e047358449f8eb5cba8197b42280b676b82e54.tar.xz linux-b7e047358449f8eb5cba8197b42280b676b82e54.zip | |
Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/hci_sock.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 6a6c8bb4fd72..7552f9e3089c 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -940,8 +940,22 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock, bt_cb(skb)->pkt_type = *((unsigned char *) skb->data); skb_pull(skb, 1); - if (hci_pi(sk)->channel == HCI_CHANNEL_RAW && - bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) { + if (hci_pi(sk)->channel == HCI_CHANNEL_USER) { + /* No permission check is needed for user channel + * since that gets enforced when binding the socket. + * + * However check that the packet type is valid. + */ + if (bt_cb(skb)->pkt_type != HCI_COMMAND_PKT && + bt_cb(skb)->pkt_type != HCI_ACLDATA_PKT && + bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) { + err = -EINVAL; + goto drop; + } + + skb_queue_tail(&hdev->raw_q, skb); + queue_work(hdev->workqueue, &hdev->tx_work); + } else if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) { u16 opcode = get_unaligned_le16(skb->data); u16 ogf = hci_opcode_ogf(opcode); u16 ocf = hci_opcode_ocf(opcode); @@ -972,14 +986,6 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock, goto drop; } - if (hci_pi(sk)->channel == HCI_CHANNEL_USER && - bt_cb(skb)->pkt_type != HCI_COMMAND_PKT && - bt_cb(skb)->pkt_type != HCI_ACLDATA_PKT && - bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) { - err = -EINVAL; - goto drop; - } - skb_queue_tail(&hdev->raw_q, skb); queue_work(hdev->workqueue, &hdev->tx_work); } |