diff options
author | Johan Hedberg <johan.hedberg@intel.com> | 2013-04-02 13:34:31 +0300 |
---|---|---|
committer | Johan Hedberg <johan.hedberg@intel.com> | 2013-04-04 19:16:04 +0300 |
commit | b6ddb638235d90ed67af9af40e63880fd66a1939 (patch) | |
tree | acb90fd3ac15d2e879a2f1df5a5992b9c3d40afd /net/bluetooth/hci_event.c | |
parent | 1687dfc3dcecd7f22f60461b562b9ae3171eb93e (diff) |
Bluetooth: Track received events in hdev
This patch adds tracking of received HCI events to the hci_dev struct.
This is necessary so that a subsequent patch can implement a function
for sending a single command synchronously and returning the resulting
command complete parameters in the function return value.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth/hci_event.c')
-rw-r--r-- | net/bluetooth/hci_event.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 7e7fbca59439..ed0efb7255b0 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -3699,6 +3699,18 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) struct hci_event_hdr *hdr = (void *) skb->data; __u8 event = hdr->evt; + hci_dev_lock(hdev); + + /* Received events are (currently) only needed when a request is + * ongoing so avoid unnecessary memory allocation. + */ + if (hdev->req_status == HCI_REQ_PEND) { + kfree_skb(hdev->recv_evt); + hdev->recv_evt = skb_clone(skb, GFP_KERNEL); + } + + hci_dev_unlock(hdev); + skb_pull(skb, HCI_EVENT_HDR_SIZE); switch (event) { |