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| author | Marcel Holtmann <marcel@holtmann.org> | 2013-08-26 11:20:37 +0400 |
|---|---|---|
| committer | Gustavo Padovan <gustavo.padovan@collabora.co.uk> | 2013-09-16 21:35:54 +0400 |
| commit | 9d4b68b23947e7bdf3f2707e76bd61572c523f6c (patch) | |
| tree | 5a41ecc403ea5f0c02a0dad77c94d3b3a2db4997 /net/bluetooth/hci_sock.c | |
| parent | 06f43cbc4d61922d5a14c28909f02ae9c7fc5283 (diff) | |
| download | linux-9d4b68b23947e7bdf3f2707e76bd61572c523f6c.tar.xz | |
Bluetooth: Fix handling of getsockname() for HCI sockets
The hci_dev check is not protected and so move it into the socket lock. In
addition return the HCI channel identifier instead of always 0 channel.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Diffstat (limited to 'net/bluetooth/hci_sock.c')
| -rw-r--r-- | net/bluetooth/hci_sock.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index d8589410142f..49c5c62ac0c9 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -695,25 +695,30 @@ static int hci_sock_getname(struct socket *sock, struct sockaddr *addr, { struct sockaddr_hci *haddr = (struct sockaddr_hci *) addr; struct sock *sk = sock->sk; - struct hci_dev *hdev = hci_pi(sk)->hdev; + struct hci_dev *hdev; + int err = 0; BT_DBG("sock %p sk %p", sock, sk); if (peer) return -EOPNOTSUPP; - if (!hdev) - return -EBADFD; - lock_sock(sk); + hdev = hci_pi(sk)->hdev; + if (!hdev) { + err = -EBADFD; + goto done; + } + *addr_len = sizeof(*haddr); haddr->hci_family = AF_BLUETOOTH; haddr->hci_dev = hdev->id; - haddr->hci_channel= 0; + haddr->hci_channel= hci_pi(sk)->channel; +done: release_sock(sk); - return 0; + return err; } static void hci_sock_cmsg(struct sock *sk, struct msghdr *msg, |