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authorMarcel Holtmann <marcel@holtmann.org>2013-10-10 16:52:43 -0700
committerJohan Hedberg <johan.hedberg@intel.com>2013-10-11 09:45:34 +0200
commite1a26170692dc1e5fbe0ccd98ef86cc9fcd31a64 (patch)
treee0960ade9f09c39dc44c92604e7f758760ea1fce
parent8909f6d2c450d0a878bcb1d1184ed0114c5724c9 (diff)
downloadlinux-e1a26170692dc1e5fbe0ccd98ef86cc9fcd31a64.tar.bz2
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 <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
-rw-r--r--drivers/bluetooth/bfusb.c3
-rw-r--r--drivers/bluetooth/bluecard_cs.c3
-rw-r--r--drivers/bluetooth/bpa10x.c4
-rw-r--r--drivers/bluetooth/bt3c_cs.c3
-rw-r--r--drivers/bluetooth/btmrvl_sdio.c8
-rw-r--r--drivers/bluetooth/btsdio.c3
-rw-r--r--drivers/bluetooth/btuart_cs.c3
-rw-r--r--drivers/bluetooth/btwilink.c4
-rw-r--r--drivers/bluetooth/dtl1_cs.c3
-rw-r--r--drivers/bluetooth/hci_bcsp.c5
-rw-r--r--drivers/bluetooth/hci_h5.c2
-rw-r--r--drivers/bluetooth/hci_ll.c13
-rw-r--r--drivers/bluetooth/hci_vhci.c3
-rw-r--r--include/net/bluetooth/hci_core.h2
-rw-r--r--net/bluetooth/hci_core.c6
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;