diff options
| -rw-r--r-- | net/bluetooth/l2cap_core.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 8229ae4..136c2af 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -824,17 +824,20 @@ static inline void __pack_control(struct l2cap_chan *chan, } } +static inline unsigned int __ertm_hdr_size(struct l2cap_chan *chan) +{ + if (test_bit(FLAG_EXT_CTRL, &chan->flags)) + return L2CAP_EXT_HDR_SIZE; + else + return L2CAP_ENH_HDR_SIZE; +} + static struct sk_buff *l2cap_create_sframe_pdu(struct l2cap_chan *chan, u32 control) { struct sk_buff *skb; struct l2cap_hdr *lh; - int hlen; - - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - hlen = L2CAP_EXT_HDR_SIZE; - else - hlen = L2CAP_ENH_HDR_SIZE; + int hlen = __ertm_hdr_size(chan); if (chan->fcs == L2CAP_FCS_CRC16) hlen += L2CAP_FCS_SIZE; @@ -2018,10 +2021,7 @@ static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan, if (!conn) return ERR_PTR(-ENOTCONN); - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - hlen = L2CAP_EXT_HDR_SIZE; - else - hlen = L2CAP_ENH_HDR_SIZE; + hlen = __ertm_hdr_size(chan); if (sdulen) hlen += L2CAP_SDULEN_SIZE; @@ -2087,10 +2087,7 @@ static int l2cap_segment_sdu(struct l2cap_chan *chan, if (chan->fcs) pdu_len -= L2CAP_FCS_SIZE; - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - pdu_len -= L2CAP_EXT_HDR_SIZE; - else - pdu_len -= L2CAP_ENH_HDR_SIZE; + pdu_len -= __ertm_hdr_size(chan); /* Remote device may have requested smaller PDUs */ pdu_len = min_t(size_t, pdu_len, chan->remote_mps); |