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-rw-r--r--drivers/bluetooth/hci_usb.c88
-rw-r--r--drivers/bluetooth/hci_usb.h5
-rw-r--r--drivers/bluetooth/hci_vhci.c6
-rw-r--r--include/net/bluetooth/hci.h18
-rw-r--r--include/net/bluetooth/hci_core.h5
-rw-r--r--include/net/bluetooth/rfcomm.h1
-rw-r--r--net/bluetooth/hci_conn.c51
-rw-r--r--net/bluetooth/hci_core.c100
-rw-r--r--net/bluetooth/hci_event.c29
-rw-r--r--net/bluetooth/rfcomm/tty.c34
10 files changed, 195 insertions, 142 deletions
diff --git a/drivers/bluetooth/hci_usb.c b/drivers/bluetooth/hci_usb.c
index 7e04dd69f60..59b054810ed 100644
--- a/drivers/bluetooth/hci_usb.c
+++ b/drivers/bluetooth/hci_usb.c
@@ -199,7 +199,6 @@ static void hci_usb_tx_complete(struct urb *urb);
#define __pending_q(husb, type) (&husb->pending_q[type-1])
#define __completed_q(husb, type) (&husb->completed_q[type-1])
#define __transmit_q(husb, type) (&husb->transmit_q[type-1])
-#define __reassembly(husb, type) (husb->reassembly[type-1])
static inline struct _urb *__get_completed(struct hci_usb *husb, int type)
{
@@ -429,12 +428,6 @@ static void hci_usb_unlink_urbs(struct hci_usb *husb)
kfree(urb->transfer_buffer);
_urb_free(_urb);
}
-
- /* Release reassembly buffers */
- if (husb->reassembly[i]) {
- kfree_skb(husb->reassembly[i]);
- husb->reassembly[i] = NULL;
- }
}
}
@@ -671,83 +664,6 @@ static int hci_usb_send_frame(struct sk_buff *skb)
return 0;
}
-static inline int __recv_frame(struct hci_usb *husb, int type, void *data, int count)
-{
- BT_DBG("%s type %d data %p count %d", husb->hdev->name, type, data, count);
-
- husb->hdev->stat.byte_rx += count;
-
- while (count) {
- struct sk_buff *skb = __reassembly(husb, type);
- struct { int expect; } *scb;
- int len = 0;
-
- if (!skb) {
- /* Start of the frame */
-
- switch (type) {
- case HCI_EVENT_PKT:
- if (count >= HCI_EVENT_HDR_SIZE) {
- struct hci_event_hdr *h = data;
- len = HCI_EVENT_HDR_SIZE + h->plen;
- } else
- return -EILSEQ;
- break;
-
- case HCI_ACLDATA_PKT:
- if (count >= HCI_ACL_HDR_SIZE) {
- struct hci_acl_hdr *h = data;
- len = HCI_ACL_HDR_SIZE + __le16_to_cpu(h->dlen);
- } else
- return -EILSEQ;
- break;
-#ifdef CONFIG_BT_HCIUSB_SCO
- case HCI_SCODATA_PKT:
- if (count >= HCI_SCO_HDR_SIZE) {
- struct hci_sco_hdr *h = data;
- len = HCI_SCO_HDR_SIZE + h->dlen;
- } else
- return -EILSEQ;
- break;
-#endif
- }
- BT_DBG("new packet len %d", len);
-
- skb = bt_skb_alloc(len, GFP_ATOMIC);
- if (!skb) {
- BT_ERR("%s no memory for the packet", husb->hdev->name);
- return -ENOMEM;
- }
- skb->dev = (void *) husb->hdev;
- bt_cb(skb)->pkt_type = type;
-
- __reassembly(husb, type) = skb;
-
- scb = (void *) skb->cb;
- scb->expect = len;
- } else {
- /* Continuation */
- scb = (void *) skb->cb;
- len = scb->expect;
- }
-
- len = min(len, count);
-
- memcpy(skb_put(skb, len), data, len);
-
- scb->expect -= len;
- if (!scb->expect) {
- /* Complete frame */
- __reassembly(husb, type) = NULL;
- bt_cb(skb)->pkt_type = type;
- hci_recv_frame(skb);
- }
-
- count -= len; data += len;
- }
- return 0;
-}
-
static void hci_usb_rx_complete(struct urb *urb)
{
struct _urb *_urb = container_of(urb, struct _urb, urb);
@@ -776,7 +692,7 @@ static void hci_usb_rx_complete(struct urb *urb)
urb->iso_frame_desc[i].actual_length);
if (!urb->iso_frame_desc[i].status)
- __recv_frame(husb, _urb->type,
+ hci_recv_fragment(husb->hdev, _urb->type,
urb->transfer_buffer + urb->iso_frame_desc[i].offset,
urb->iso_frame_desc[i].actual_length);
}
@@ -784,7 +700,7 @@ static void hci_usb_rx_complete(struct urb *urb)
;
#endif
} else {
- err = __recv_frame(husb, _urb->type, urb->transfer_buffer, count);
+ err = hci_recv_fragment(husb->hdev, _urb->type, urb->transfer_buffer, count);
if (err < 0) {
BT_ERR("%s corrupted packet: type %d count %d",
husb->hdev->name, _urb->type, count);
diff --git a/drivers/bluetooth/hci_usb.h b/drivers/bluetooth/hci_usb.h
index 963fc55cdc8..56cd3a92cec 100644
--- a/drivers/bluetooth/hci_usb.h
+++ b/drivers/bluetooth/hci_usb.h
@@ -102,9 +102,9 @@ struct hci_usb {
struct hci_dev *hdev;
unsigned long state;
-
+
struct usb_device *udev;
-
+
struct usb_host_endpoint *bulk_in_ep;
struct usb_host_endpoint *bulk_out_ep;
struct usb_host_endpoint *intr_in_ep;
@@ -116,7 +116,6 @@ struct hci_usb {
__u8 ctrl_req;
struct sk_buff_head transmit_q[4];
- struct sk_buff *reassembly[4]; /* Reassembly buffers */
rwlock_t completion_lock;
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index b71a5ccc587..0638730a4a1 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -180,11 +180,6 @@ static inline ssize_t vhci_put_user(struct vhci_data *data,
return total;
}
-static loff_t vhci_llseek(struct file *file, loff_t offset, int origin)
-{
- return -ESPIPE;
-}
-
static ssize_t vhci_read(struct file *file,
char __user *buf, size_t count, loff_t *pos)
{
@@ -334,7 +329,6 @@ static int vhci_fasync(int fd, struct file *file, int on)
static const struct file_operations vhci_fops = {
.owner = THIS_MODULE,
- .llseek = vhci_llseek,
.read = vhci_read,
.write = vhci_write,
.poll = vhci_poll,
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 93ce272a5d2..ebfb96b4110 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -107,14 +107,14 @@ enum {
#define HCI_IDLE_TIMEOUT (6000) /* 6 seconds */
#define HCI_INIT_TIMEOUT (10000) /* 10 seconds */
-/* HCI Packet types */
+/* HCI data types */
#define HCI_COMMAND_PKT 0x01
#define HCI_ACLDATA_PKT 0x02
#define HCI_SCODATA_PKT 0x03
#define HCI_EVENT_PKT 0x04
#define HCI_VENDOR_PKT 0xff
-/* HCI Packet types */
+/* HCI packet types */
#define HCI_DM1 0x0008
#define HCI_DM3 0x0400
#define HCI_DM5 0x4000
@@ -129,6 +129,14 @@ enum {
#define SCO_PTYPE_MASK (HCI_HV1 | HCI_HV2 | HCI_HV3)
#define ACL_PTYPE_MASK (~SCO_PTYPE_MASK)
+/* eSCO packet types */
+#define ESCO_HV1 0x0001
+#define ESCO_HV2 0x0002
+#define ESCO_HV3 0x0004
+#define ESCO_EV3 0x0008
+#define ESCO_EV4 0x0010
+#define ESCO_EV5 0x0020
+
/* ACL flags */
#define ACL_CONT 0x01
#define ACL_START 0x02
@@ -138,6 +146,7 @@ enum {
/* Baseband links */
#define SCO_LINK 0x00
#define ACL_LINK 0x01
+#define ESCO_LINK 0x02
/* LMP features */
#define LMP_3SLOT 0x01
@@ -162,6 +171,11 @@ enum {
#define LMP_PSCHEME 0x02
#define LMP_PCONTROL 0x04
+#define LMP_ESCO 0x80
+
+#define LMP_EV4 0x01
+#define LMP_EV5 0x02
+
#define LMP_SNIFF_SUBR 0x02
/* Connection modes */
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index c0fc39620f3..8f67c8a7169 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -78,6 +78,7 @@ struct hci_dev {
__u16 voice_setting;
__u16 pkt_type;
+ __u16 esco_type;
__u16 link_policy;
__u16 link_mode;
@@ -109,6 +110,7 @@ struct hci_dev {
struct sk_buff_head cmd_q;
struct sk_buff *sent_cmd;
+ struct sk_buff *reassembly[3];
struct semaphore req_lock;
wait_queue_head_t req_wait_q;
@@ -437,6 +439,8 @@ static inline int hci_recv_frame(struct sk_buff *skb)
return 0;
}
+int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
+
int hci_register_sysfs(struct hci_dev *hdev);
void hci_unregister_sysfs(struct hci_dev *hdev);
void hci_conn_add_sysfs(struct hci_conn *conn);
@@ -449,6 +453,7 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
+#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
/* ----- HCI protocols ----- */
struct hci_proto {
diff --git a/include/net/bluetooth/rfcomm.h b/include/net/bluetooth/rfcomm.h
index 3c563f02907..25aa575db80 100644
--- a/include/net/bluetooth/rfcomm.h
+++ b/include/net/bluetooth/rfcomm.h
@@ -323,6 +323,7 @@ int rfcomm_connect_ind(struct rfcomm_session *s, u8 channel, struct rfcomm_dlc
#define RFCOMM_RELEASE_ONHUP 1
#define RFCOMM_HANGUP_NOW 2
#define RFCOMM_TTY_ATTACHED 3
+#define RFCOMM_TTY_RELEASED 4
struct rfcomm_dev_req {
s16 dev_id;
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 63980bd6b5f..5fdfc9a67d3 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -123,8 +123,8 @@ void hci_add_sco(struct hci_conn *conn, __u16 handle)
conn->state = BT_CONNECT;
conn->out = 1;
- cp.pkt_type = cpu_to_le16(hdev->pkt_type & SCO_PTYPE_MASK);
cp.handle = cpu_to_le16(handle);
+ cp.pkt_type = cpu_to_le16(hdev->pkt_type & SCO_PTYPE_MASK);
hci_send_cmd(hdev, OGF_LINK_CTL, OCF_ADD_SCO, sizeof(cp), &cp);
}
@@ -220,19 +220,19 @@ int hci_conn_del(struct hci_conn *conn)
del_timer(&conn->disc_timer);
- if (conn->type == SCO_LINK) {
- struct hci_conn *acl = conn->link;
- if (acl) {
- acl->link = NULL;
- hci_conn_put(acl);
- }
- } else {
+ if (conn->type == ACL_LINK) {
struct hci_conn *sco = conn->link;
if (sco)
sco->link = NULL;
/* Unacked frames */
hdev->acl_cnt += conn->sent;
+ } else {
+ struct hci_conn *acl = conn->link;
+ if (acl) {
+ acl->link = NULL;
+ hci_conn_put(acl);
+ }
}
tasklet_disable(&hdev->tx_task);
@@ -297,9 +297,10 @@ EXPORT_SYMBOL(hci_get_route);
/* Create SCO or ACL connection.
* Device _must_ be locked */
-struct hci_conn * hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst)
+struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst)
{
struct hci_conn *acl;
+ struct hci_conn *sco;
BT_DBG("%s dst %s", hdev->name, batostr(dst));
@@ -313,28 +314,26 @@ struct hci_conn * hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst)
if (acl->state == BT_OPEN || acl->state == BT_CLOSED)
hci_acl_connect(acl);
- if (type == SCO_LINK) {
- struct hci_conn *sco;
+ if (type == ACL_LINK)
+ return acl;
- if (!(sco = hci_conn_hash_lookup_ba(hdev, SCO_LINK, dst))) {
- if (!(sco = hci_conn_add(hdev, SCO_LINK, dst))) {
- hci_conn_put(acl);
- return NULL;
- }
+ if (!(sco = hci_conn_hash_lookup_ba(hdev, type, dst))) {
+ if (!(sco = hci_conn_add(hdev, type, dst))) {
+ hci_conn_put(acl);
+ return NULL;
}
- acl->link = sco;
- sco->link = acl;
+ }
- hci_conn_hold(sco);
+ acl->link = sco;
+ sco->link = acl;
- if (acl->state == BT_CONNECTED &&
- (sco->state == BT_OPEN || sco->state == BT_CLOSED))
- hci_add_sco(sco, acl->handle);
+ hci_conn_hold(sco);
- return sco;
- } else {
- return acl;
- }
+ if (acl->state == BT_CONNECTED &&
+ (sco->state == BT_OPEN || sco->state == BT_CLOSED))
+ hci_add_sco(sco, acl->handle);
+
+ return sco;
}
EXPORT_SYMBOL(hci_connect);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index aa4b56a8c3e..f6d867e0179 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -826,7 +826,7 @@ EXPORT_SYMBOL(hci_free_dev);
int hci_register_dev(struct hci_dev *hdev)
{
struct list_head *head = &hci_dev_list, *p;
- int id = 0;
+ int i, id = 0;
BT_DBG("%p name %s type %d owner %p", hdev, hdev->name, hdev->type, hdev->owner);
@@ -851,6 +851,7 @@ int hci_register_dev(struct hci_dev *hdev)
hdev->flags = 0;
hdev->pkt_type = (HCI_DM1 | HCI_DH1 | HCI_HV1);
+ hdev->esco_type = (ESCO_HV1);
hdev->link_mode = (HCI_LM_ACCEPT);
hdev->idle_timeout = 0;
@@ -865,6 +866,9 @@ int hci_register_dev(struct hci_dev *hdev)
skb_queue_head_init(&hdev->cmd_q);
skb_queue_head_init(&hdev->raw_q);
+ for (i = 0; i < 3; i++)
+ hdev->reassembly[i] = NULL;
+
init_waitqueue_head(&hdev->req_wait_q);
init_MUTEX(&hdev->req_lock);
@@ -889,6 +893,8 @@ EXPORT_SYMBOL(hci_register_dev);
/* Unregister HCI device */
int hci_unregister_dev(struct hci_dev *hdev)
{
+ int i;
+
BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
hci_unregister_sysfs(hdev);
@@ -899,9 +905,13 @@ int hci_unregister_dev(struct hci_dev *hdev)
hci_dev_do_close(hdev);
+ for (i = 0; i < 3; i++)
+ kfree_skb(hdev->reassembly[i]);
+
hci_notify(hdev, HCI_DEV_UNREG);
__hci_dev_put(hdev);
+
return 0;
}
EXPORT_SYMBOL(hci_unregister_dev);
@@ -922,6 +932,90 @@ int hci_resume_dev(struct hci_dev *hdev)
}
EXPORT_SYMBOL(hci_resume_dev);
+/* Receive packet type fragment */
+#define __reassembly(hdev, type) ((hdev)->reassembly[(type) - 2])
+
+int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count)
+{
+ if (type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT)
+ return -EILSEQ;
+
+ while (count) {
+ struct sk_buff *skb = __reassembly(hdev, type);
+ struct { int expect; } *scb;
+ int len = 0;
+
+ if (!skb) {
+ /* Start of the frame */
+
+ switch (type) {
+ case HCI_EVENT_PKT:
+ if (count >= HCI_EVENT_HDR_SIZE) {
+ struct hci_event_hdr *h = data;
+ len = HCI_EVENT_HDR_SIZE + h->plen;
+ } else
+ return -EILSEQ;
+ break;
+
+ case HCI_ACLDATA_PKT:
+ if (count >= HCI_ACL_HDR_SIZE) {
+ struct hci_acl_hdr *h = data;
+ len = HCI_ACL_HDR_SIZE + __le16_to_cpu(h->dlen);
+ } else
+ return -EILSEQ;
+ break;
+
+ case HCI_SCODATA_PKT:
+ if (count >= HCI_SCO_HDR_SIZE) {
+ struct hci_sco_hdr *h = data;
+ len = HCI_SCO_HDR_SIZE + h->dlen;
+ } else
+ return -EILSEQ;
+ break;
+ }
+
+ skb = bt_skb_alloc(len, GFP_ATOMIC);
+ if (!skb) {
+ BT_ERR("%s no memory for packet", hdev->name);
+ return -ENOMEM;
+ }
+
+ skb->dev = (void *) hdev;
+ bt_cb(skb)->pkt_type = type;
+
+ __reassembly(hdev, type) = skb;
+
+ scb = (void *) skb->cb;
+ scb->expect = len;
+ } else {
+ /* Continuation */
+
+ scb = (void *) skb->cb;
+ len = scb->expect;
+ }
+
+ len = min(len, count);
+
+ memcpy(skb_put(skb, len), data, len);
+
+ scb->expect -= len;
+
+ if (scb->expect == 0) {
+ /* Complete frame */
+
+ __reassembly(hdev, type) = NULL;
+
+ bt_cb(skb)->pkt_type = type;
+ hci_recv_frame(skb);
+ }
+
+ count -= len; data += len;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(hci_recv_fragment);
+
/* ---- Interface to upper protocols ---- */
/* Register/Unregister protocols.
@@ -1029,7 +1123,7 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 ogf, __u16 ocf, __u32 plen, void *p
skb = bt_skb_alloc(len, GFP_ATOMIC);
if (!skb) {
- BT_ERR("%s Can't allocate memory for HCI command", hdev->name);
+ BT_ERR("%s no memory for command", hdev->name);
return -ENOMEM;
}
@@ -1161,7 +1255,7 @@ EXPORT_SYMBOL(hci_send_sco);
static inline struct hci_conn *hci_low_sent(struct hci_dev *hdev, __u8 type, int *quote)
{
struct hci_conn_hash *h = &hdev->conn_hash;
- struct hci_conn *conn = NULL;
+ struct hci_conn *conn = NULL;
int num = 0, min = ~0;
struct list_head *p;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 447ba713122..4baea1e3865 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -350,11 +350,24 @@ static void hci_cc_info_param(struct hci_dev *hdev, __u16 ocf, struct sk_buff *s
if (hdev->features[0] & LMP_5SLOT)
hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
- if (hdev->features[1] & LMP_HV2)
- hdev->pkt_type |= (HCI_HV2);
+ if (hdev->features[1] & LMP_HV2) {
+ hdev->pkt_type |= (HCI_HV2);
+ hdev->esco_type |= (ESCO_HV2);
+ }
+
+ if (hdev->features[1] & LMP_HV3) {
+ hdev->pkt_type |= (HCI_HV3);
+ hdev->esco_type |= (ESCO_HV3);
+ }
- if (hdev->features[1] & LMP_HV3)
- hdev->pkt_type |= (HCI_HV3);
+ if (hdev->features[3] & LMP_ESCO)
+ hdev->esco_type |= (ESCO_EV3);
+
+ if (hdev->features[4] & LMP_EV4)
+ hdev->esco_type |= (ESCO_EV4);
+
+ if (hdev->features[4] & LMP_EV5)
+ hdev->esco_type |= (ESCO_EV5);
BT_DBG("%s: features 0x%x 0x%x 0x%x", hdev->name,
lf->features[0], lf->features[1], lf->features[2]);
@@ -881,12 +894,12 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s
if (conn) {
conn->sent -= count;
- if (conn->type == SCO_LINK) {
- if ((hdev->sco_cnt += count) > hdev->sco_pkts)
- hdev->sco_cnt = hdev->sco_pkts;
- } else {
+ if (conn->type == ACL_LINK) {
if ((hdev->acl_cnt += count) > hdev->acl_pkts)
hdev->acl_cnt = hdev->acl_pkts;
+ } else {
+ if ((hdev->sco_cnt += count) > hdev->sco_pkts)
+ hdev->sco_cnt = hdev->sco_pkts;
}
}
}
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index b2b1cceb102..23ba61a13bd 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -95,6 +95,10 @@ static void rfcomm_dev_destruct(struct rfcomm_dev *dev)
BT_DBG("dev %p dlc %p", dev, dlc);
+ write_lock_bh(&rfcomm_dev_lock);
+ list_del_init(&dev->list);
+ write_unlock_bh(&rfcomm_dev_lock);
+
rfcomm_dlc_lock(dlc);
/* Detach DLC if it's owned by this dev */
if (dlc->owner == dev)
@@ -156,8 +160,13 @@ static inline struct rfcomm_dev *rfcomm_dev_get(int id)
read_lock(&rfcomm_dev_lock);
dev = __rfcomm_dev_get(id);
- if (dev)
- rfcomm_dev_hold(dev);
+
+ if (dev) {
+ if (test_bit(RFCOMM_TTY_RELEASED, &dev->flags))
+ dev = NULL;
+ else
+ rfcomm_dev_hold(dev);
+ }
read_unlock(&rfcomm_dev_lock);
@@ -265,6 +274,12 @@ out:
dev->tty_dev = tty_register_device(rfcomm_tty_driver, dev->id, NULL);
+ if (IS_ERR(dev->tty_dev)) {
+ list_del(&dev->list);
+ kfree(dev);
+ return PTR_ERR(dev->tty_dev);
+ }
+
return dev->id;
}
@@ -272,10 +287,7 @@ static void rfcomm_dev_del(struct rfcomm_dev *dev)
{
BT_DBG("dev %p", dev);
- write_lock_bh(&rfcomm_dev_lock);
- list_del_init(&dev->list);
- write_unlock_bh(&rfcomm_dev_lock);
-
+ set_bit(RFCOMM_TTY_RELEASED, &dev->flags);
rfcomm_dev_put(dev);
}
@@ -329,7 +341,7 @@ static int rfcomm_create_dev(struct sock *sk, void __user *arg)
if (copy_from_user(&req, arg, sizeof(req)))
return -EFAULT;
- BT_DBG("sk %p dev_id %id flags 0x%x", sk, req.dev_id, req.flags);
+ BT_DBG("sk %p dev_id %d flags 0x%x", sk, req.dev_id, req.flags);
if (req.flags != NOCAP_FLAGS && !capable(CAP_NET_ADMIN))
return -EPERM;
@@ -370,7 +382,7 @@ static int rfcomm_release_dev(void __user *arg)
if (copy_from_user(&req, arg, sizeof(req)))
return -EFAULT;
- BT_DBG("dev_id %id flags 0x%x", req.dev_id, req.flags);
+ BT_DBG("dev_id %d flags 0x%x", req.dev_id, req.flags);
if (!(dev = rfcomm_dev_get(req.dev_id)))
return -ENODEV;
@@ -383,6 +395,10 @@ static int rfcomm_release_dev(void __user *arg)
if (req.flags & (1 << RFCOMM_HANGUP_NOW))
rfcomm_dlc_close(dev->dlc, 0);
+ /* Shut down TTY synchronously before freeing rfcomm_dev */
+ if (dev->tty)
+ tty_vhangup(dev->tty);
+
rfcomm_dev_del(dev);
rfcomm_dev_put(dev);
return 0;
@@ -415,6 +431,8 @@ static int rfcomm_get_dev_list(void __user *arg)
list_for_each(p, &rfcomm_dev_list) {
struct rfcomm_dev *dev = list_entry(p, struct rfcomm_dev, list);
+ if (test_bit(RFCOMM_TTY_RELEASED, &dev->flags))
+ continue;
(di + n)->id = dev->id;
(di + n)->flags = dev->flags;
(di + n)->state = dev->dlc->state;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 01:36:41 +0000