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| author | Scott Wood <scottwood@freescale.com> | 2014-04-07 23:49:35 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2014-04-07 23:49:35 (GMT) |
| commit | 62b8c978ee6b8d135d9e7953221de58000dba986 (patch) | |
| tree | 683b04b2e627f6710c22c151b23c8cc9a165315e /drivers/bluetooth/hci_h4.c | |
| parent | 78fd82238d0e5716578c326404184a27ba67fd6e (diff) | |
| download | linux-fsl-qoriq-62b8c978ee6b8d135d9e7953221de58000dba986.tar.xz | |
Rewind v3.13-rc3+ (78fd82238d0e5716) to v3.12
Diffstat (limited to 'drivers/bluetooth/hci_h4.c')
| -rw-r--r-- | drivers/bluetooth/hci_h4.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/bluetooth/hci_h4.c b/drivers/bluetooth/hci_h4.c index 7048a58..8ae9f1e 100644 --- a/drivers/bluetooth/hci_h4.c +++ b/drivers/bluetooth/hci_h4.c @@ -124,6 +124,30 @@ static int h4_enqueue(struct hci_uart *hu, struct sk_buff *skb) return 0; } +static inline int h4_check_data_len(struct h4_struct *h4, int len) +{ + int room = skb_tailroom(h4->rx_skb); + + BT_DBG("len %d room %d", len, room); + + if (!len) { + hci_recv_frame(h4->rx_skb); + } else if (len > room) { + BT_ERR("Data length is too large"); + kfree_skb(h4->rx_skb); + } else { + h4->rx_state = H4_W4_DATA; + h4->rx_count = len; + return len; + } + + h4->rx_state = H4_W4_PACKET_TYPE; + h4->rx_skb = NULL; + h4->rx_count = 0; + + return 0; +} + /* Recv data */ static int h4_recv(struct hci_uart *hu, void *data, int count) { |