From e1a26170692dc1e5fbe0ccd98ef86cc9fcd31a64 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Thu, 10 Oct 2013 16:52:43 -0700 Subject: [PATCH] Bluetooth: Provide hdev parameter to hci_recv_frame() driver callback To avoid casting skb->dev into hdev, just let the drivers provide the hdev directly when calling hci_recv_frame() function. This patch also fixes up all drivers to provide the hdev. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- drivers/bluetooth/bfusb.c | 3 +-- drivers/bluetooth/bluecard_cs.c | 3 +-- drivers/bluetooth/bpa10x.c | 4 +--- drivers/bluetooth/bt3c_cs.c | 3 +-- drivers/bluetooth/btmrvl_sdio.c | 8 +++----- drivers/bluetooth/btsdio.c | 3 +-- drivers/bluetooth/btuart_cs.c | 3 +-- drivers/bluetooth/btwilink.c | 4 +--- drivers/bluetooth/dtl1_cs.c | 3 +-- drivers/bluetooth/hci_bcsp.c | 5 ++--- drivers/bluetooth/hci_h5.c | 2 +- drivers/bluetooth/hci_ll.c | 13 ++++++------- drivers/bluetooth/hci_vhci.c | 3 +-- include/net/bluetooth/hci_core.h | 2 +- net/bluetooth/hci_core.c | 6 ++---- 15 files changed, 24 insertions(+), 41 deletions(-) diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c index 66faad0c6237..b7b5bb879f08 100644 --- a/drivers/bluetooth/bfusb.c +++ b/drivers/bluetooth/bfusb.c @@ -318,7 +318,6 @@ static inline int bfusb_recv_block(struct bfusb_data *data, int hdr, unsigned ch return -ENOMEM; } - skb->dev = (void *) data->hdev; bt_cb(skb)->pkt_type = pkt_type; data->reassembly = skb; @@ -333,7 +332,7 @@ static inline int bfusb_recv_block(struct bfusb_data *data, int hdr, unsigned ch memcpy(skb_put(data->reassembly, len), buf, len); if (hdr & 0x08) { - hci_recv_frame(data->reassembly); + hci_recv_frame(data->hdev, data->reassembly); data->reassembly = NULL; } diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c index aa872c9b3fc2..395acde99d78 100644 --- a/drivers/bluetooth/bluecard_cs.c +++ b/drivers/bluetooth/bluecard_cs.c @@ -399,7 +399,6 @@ static void bluecard_receive(bluecard_info_t *info, unsigned int offset) if (info->rx_state == RECV_WAIT_PACKET_TYPE) { - info->rx_skb->dev = (void *) info->hdev; bt_cb(info->rx_skb)->pkt_type = buf[i]; switch (bt_cb(info->rx_skb)->pkt_type) { @@ -477,7 +476,7 @@ static void bluecard_receive(bluecard_info_t *info, unsigned int offset) break; case RECV_WAIT_DATA: - hci_recv_frame(info->rx_skb); + hci_recv_frame(info->hdev, info->rx_skb); info->rx_skb = NULL; break; diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c index 2fe4a8031348..3188fb48bf4b 100644 --- a/drivers/bluetooth/bpa10x.c +++ b/drivers/bluetooth/bpa10x.c @@ -129,8 +129,6 @@ static int bpa10x_recv(struct hci_dev *hdev, int queue, void *buf, int count) return -ENOMEM; } - skb->dev = (void *) hdev; - data->rx_skb[queue] = skb; scb = (void *) skb->cb; @@ -155,7 +153,7 @@ static int bpa10x_recv(struct hci_dev *hdev, int queue, void *buf, int count) data->rx_skb[queue] = NULL; bt_cb(skb)->pkt_type = scb->type; - hci_recv_frame(skb); + hci_recv_frame(hdev, skb); } count -= len; buf += len; diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c index 673455cbde4c..d8e4b0d7926e 100644 --- a/drivers/bluetooth/bt3c_cs.c +++ b/drivers/bluetooth/bt3c_cs.c @@ -247,7 +247,6 @@ static void bt3c_receive(bt3c_info_t *info) if (info->rx_state == RECV_WAIT_PACKET_TYPE) { - info->rx_skb->dev = (void *) info->hdev; bt_cb(info->rx_skb)->pkt_type = inb(iobase + DATA_L); inb(iobase + DATA_H); //printk("bt3c: PACKET_TYPE=%02x\n", bt_cb(info->rx_skb)->pkt_type); @@ -318,7 +317,7 @@ static void bt3c_receive(bt3c_info_t *info) break; case RECV_WAIT_DATA: - hci_recv_frame(info->rx_skb); + hci_recv_frame(info->hdev, info->rx_skb); info->rx_skb = NULL; break; diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c index 332475e400cf..fabcf5bb48af 100644 --- a/drivers/bluetooth/btmrvl_sdio.c +++ b/drivers/bluetooth/btmrvl_sdio.c @@ -600,15 +600,14 @@ static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv) case HCI_SCODATA_PKT: case HCI_EVENT_PKT: bt_cb(skb)->pkt_type = type; - skb->dev = (void *)hdev; skb_put(skb, buf_len); skb_pull(skb, SDIO_HEADER_LEN); if (type == HCI_EVENT_PKT) { if (btmrvl_check_evtpkt(priv, skb)) - hci_recv_frame(skb); + hci_recv_frame(hdev, skb); } else { - hci_recv_frame(skb); + hci_recv_frame(hdev, skb); } hdev->stat.byte_rx += buf_len; @@ -616,12 +615,11 @@ static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv) case MRVL_VENDOR_PKT: bt_cb(skb)->pkt_type = HCI_VENDOR_PKT; - skb->dev = (void *)hdev; skb_put(skb, buf_len); skb_pull(skb, SDIO_HEADER_LEN); if (btmrvl_process_event(priv, skb)) - hci_recv_frame(skb); + hci_recv_frame(hdev, skb); hdev->stat.byte_rx += buf_len; break; diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c index 4a9909713874..72fe49e60359 100644 --- a/drivers/bluetooth/btsdio.c +++ b/drivers/bluetooth/btsdio.c @@ -157,10 +157,9 @@ static int btsdio_rx_packet(struct btsdio_data *data) data->hdev->stat.byte_rx += len; - skb->dev = (void *) data->hdev; bt_cb(skb)->pkt_type = hdr[3]; - err = hci_recv_frame(skb); + err = hci_recv_frame(data->hdev, skb); if (err < 0) return err; diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c index 970e2d3dd3c2..d0b89ecf1c59 100644 --- a/drivers/bluetooth/btuart_cs.c +++ b/drivers/bluetooth/btuart_cs.c @@ -198,7 +198,6 @@ static void btuart_receive(btuart_info_t *info) if (info->rx_state == RECV_WAIT_PACKET_TYPE) { - info->rx_skb->dev = (void *) info->hdev; bt_cb(info->rx_skb)->pkt_type = inb(iobase + UART_RX); switch (bt_cb(info->rx_skb)->pkt_type) { @@ -265,7 +264,7 @@ static void btuart_receive(btuart_info_t *info) break; case RECV_WAIT_DATA: - hci_recv_frame(info->rx_skb); + hci_recv_frame(info->hdev, info->rx_skb); info->rx_skb = NULL; break; diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c index 60abf596f60e..5e10fb0a7e05 100644 --- a/drivers/bluetooth/btwilink.c +++ b/drivers/bluetooth/btwilink.c @@ -108,10 +108,8 @@ static long st_receive(void *priv_data, struct sk_buff *skb) return -EFAULT; } - skb->dev = (void *) lhst->hdev; - /* Forward skb to HCI core layer */ - err = hci_recv_frame(skb); + err = hci_recv_frame(lhst->hdev, skb); if (err < 0) { BT_ERR("Unable to push skb to HCI core(%d)", err); return err; diff --git a/drivers/bluetooth/dtl1_cs.c b/drivers/bluetooth/dtl1_cs.c index c43aff8ec995..29451413bc04 100644 --- a/drivers/bluetooth/dtl1_cs.c +++ b/drivers/bluetooth/dtl1_cs.c @@ -256,9 +256,8 @@ static void dtl1_receive(dtl1_info_t *info) case 0x83: case 0x84: /* send frame to the HCI layer */ - info->rx_skb->dev = (void *) info->hdev; bt_cb(info->rx_skb)->pkt_type &= 0x0f; - hci_recv_frame(info->rx_skb); + hci_recv_frame(info->hdev, info->rx_skb); break; default: /* unknown packet */ diff --git a/drivers/bluetooth/hci_bcsp.c b/drivers/bluetooth/hci_bcsp.c index 57e502e06080..0bc87f7abd95 100644 --- a/drivers/bluetooth/hci_bcsp.c +++ b/drivers/bluetooth/hci_bcsp.c @@ -522,7 +522,7 @@ static void bcsp_complete_rx_pkt(struct hci_uart *hu) memcpy(skb_push(bcsp->rx_skb, HCI_EVENT_HDR_SIZE), &hdr, HCI_EVENT_HDR_SIZE); bt_cb(bcsp->rx_skb)->pkt_type = HCI_EVENT_PKT; - hci_recv_frame(bcsp->rx_skb); + hci_recv_frame(hu->hdev, bcsp->rx_skb); } else { BT_ERR ("Packet for unknown channel (%u %s)", bcsp->rx_skb->data[1] & 0x0f, @@ -536,7 +536,7 @@ static void bcsp_complete_rx_pkt(struct hci_uart *hu) /* Pull out BCSP hdr */ skb_pull(bcsp->rx_skb, 4); - hci_recv_frame(bcsp->rx_skb); + hci_recv_frame(hu->hdev, bcsp->rx_skb); } bcsp->rx_state = BCSP_W4_PKT_DELIMITER; @@ -655,7 +655,6 @@ static int bcsp_recv(struct hci_uart *hu, void *data, int count) bcsp->rx_count = 0; return 0; } - bcsp->rx_skb->dev = (void *) hu->hdev; break; } break; diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c index b6154d5a07a5..f6f497450560 100644 --- a/drivers/bluetooth/hci_h5.c +++ b/drivers/bluetooth/hci_h5.c @@ -340,7 +340,7 @@ static void h5_complete_rx_pkt(struct hci_uart *hu) /* Remove Three-wire header */ skb_pull(h5->rx_skb, 4); - hci_recv_frame(h5->rx_skb); + hci_recv_frame(hu->hdev, h5->rx_skb); h5->rx_skb = NULL; break; diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c index cfc767938589..58a9541feba6 100644 --- a/drivers/bluetooth/hci_ll.c +++ b/drivers/bluetooth/hci_ll.c @@ -346,14 +346,14 @@ static int ll_enqueue(struct hci_uart *hu, struct sk_buff *skb) return 0; } -static inline int ll_check_data_len(struct ll_struct *ll, int len) +static inline int ll_check_data_len(struct hci_dev *hdev, struct ll_struct *ll, int len) { int room = skb_tailroom(ll->rx_skb); BT_DBG("len %d room %d", len, room); if (!len) { - hci_recv_frame(ll->rx_skb); + hci_recv_frame(hdev, ll->rx_skb); } else if (len > room) { BT_ERR("Data length is too large"); kfree_skb(ll->rx_skb); @@ -395,7 +395,7 @@ static int ll_recv(struct hci_uart *hu, void *data, int count) switch (ll->rx_state) { case HCILL_W4_DATA: BT_DBG("Complete data"); - hci_recv_frame(ll->rx_skb); + hci_recv_frame(hu->hdev, ll->rx_skb); ll->rx_state = HCILL_W4_PACKET_TYPE; ll->rx_skb = NULL; @@ -406,7 +406,7 @@ static int ll_recv(struct hci_uart *hu, void *data, int count) BT_DBG("Event header: evt 0x%2.2x plen %d", eh->evt, eh->plen); - ll_check_data_len(ll, eh->plen); + ll_check_data_len(hu->hdev, ll, eh->plen); continue; case HCILL_W4_ACL_HDR: @@ -415,7 +415,7 @@ static int ll_recv(struct hci_uart *hu, void *data, int count) BT_DBG("ACL header: dlen %d", dlen); - ll_check_data_len(ll, dlen); + ll_check_data_len(hu->hdev, ll, dlen); continue; case HCILL_W4_SCO_HDR: @@ -423,7 +423,7 @@ static int ll_recv(struct hci_uart *hu, void *data, int count) BT_DBG("SCO header: dlen %d", sh->dlen); - ll_check_data_len(ll, sh->dlen); + ll_check_data_len(hu->hdev, ll, sh->dlen); continue; } } @@ -494,7 +494,6 @@ static int ll_recv(struct hci_uart *hu, void *data, int count) return -ENOMEM; } - ll->rx_skb->dev = (void *) hu->hdev; bt_cb(ll->rx_skb)->pkt_type = type; } diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c index c04a3e6fb37c..0fd522e85a71 100644 --- a/drivers/bluetooth/hci_vhci.c +++ b/drivers/bluetooth/hci_vhci.c @@ -179,10 +179,9 @@ static inline ssize_t vhci_get_user(struct vhci_data *data, return -ENODEV; } - skb->dev = (void *) data->hdev; bt_cb(skb)->pkt_type = pkt_type; - ret = hci_recv_frame(skb); + ret = hci_recv_frame(data->hdev, skb); break; case HCI_VENDOR_PKT: diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 237bf8c03fb4..29b81476424c 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -755,7 +755,7 @@ int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); -int hci_recv_frame(struct sk_buff *skb); +int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 6cc2f86499f8..4f0d4b443171 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -2485,9 +2485,8 @@ int hci_resume_dev(struct hci_dev *hdev) EXPORT_SYMBOL(hci_resume_dev); /* Receive frame from HCI drivers */ -int hci_recv_frame(struct sk_buff *skb) +int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb) { - struct hci_dev *hdev = (struct hci_dev *) skb->dev; if (!hdev || (!test_bit(HCI_UP, &hdev->flags) && !test_bit(HCI_INIT, &hdev->flags))) { kfree_skb(skb); @@ -2546,7 +2545,6 @@ static int hci_reassembly(struct hci_dev *hdev, int type, void *data, scb->expect = hlen; scb->pkt_type = type; - skb->dev = (void *) hdev; hdev->reassembly[index] = skb; } @@ -2606,7 +2604,7 @@ static int hci_reassembly(struct hci_dev *hdev, int type, void *data, /* Complete frame */ bt_cb(skb)->pkt_type = type; - hci_recv_frame(skb); + hci_recv_frame(hdev, skb); hdev->reassembly[index] = NULL; return remain; -- 2.20.1