summaryrefslogtreecommitdiff
path: root/net/bluetooth
diff options
context:
space:
mode:
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/af_bluetooth.c25
-rw-r--r--net/bluetooth/bnep/core.c5
-rw-r--r--net/bluetooth/coredump.c2
-rw-r--r--net/bluetooth/eir.h2
-rw-r--r--net/bluetooth/hci_conn.c3
-rw-r--r--net/bluetooth/hci_core.c28
-rw-r--r--net/bluetooth/hci_event.c17
-rw-r--r--net/bluetooth/hci_sock.c2
-rw-r--r--net/bluetooth/hci_sync.c12
-rw-r--r--net/bluetooth/iso.c24
-rw-r--r--net/bluetooth/l2cap_core.c8
-rw-r--r--net/bluetooth/mgmt.c25
-rw-r--r--net/bluetooth/mgmt_util.c2
-rw-r--r--net/bluetooth/rfcomm/core.c2
-rw-r--r--net/bluetooth/rfcomm/sock.c2
-rw-r--r--net/bluetooth/sco.c18
16 files changed, 109 insertions, 68 deletions
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 67604ccec2f4..0b4d0a8bd361 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -185,6 +185,28 @@ void bt_sock_unlink(struct bt_sock_list *l, struct sock *sk)
}
EXPORT_SYMBOL(bt_sock_unlink);
+bool bt_sock_linked(struct bt_sock_list *l, struct sock *s)
+{
+ struct sock *sk;
+
+ if (!l || !s)
+ return false;
+
+ read_lock(&l->lock);
+
+ sk_for_each(sk, &l->head) {
+ if (s == sk) {
+ read_unlock(&l->lock);
+ return true;
+ }
+ }
+
+ read_unlock(&l->lock);
+
+ return false;
+}
+EXPORT_SYMBOL(bt_sock_linked);
+
void bt_accept_enqueue(struct sock *parent, struct sock *sk, bool bh)
{
const struct cred *old_cred;
@@ -825,11 +847,14 @@ cleanup_sysfs:
bt_sysfs_cleanup();
cleanup_led:
bt_leds_cleanup();
+ debugfs_remove_recursive(bt_debugfs);
return err;
}
static void __exit bt_exit(void)
{
+ iso_exit();
+
mgmt_exit();
sco_exit();
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index ec45f77fce21..d44987d4515c 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -29,7 +29,7 @@
#include <linux/kthread.h>
#include <linux/file.h>
#include <linux/etherdevice.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/l2cap.h>
@@ -745,8 +745,7 @@ static int __init bnep_init(void)
if (flt[0])
BT_INFO("BNEP filters: %s", flt);
- bnep_sock_init();
- return 0;
+ return bnep_sock_init();
}
static void __exit bnep_exit(void)
diff --git a/net/bluetooth/coredump.c b/net/bluetooth/coredump.c
index ec97a4bab1c9..c18df3a08607 100644
--- a/net/bluetooth/coredump.c
+++ b/net/bluetooth/coredump.c
@@ -5,7 +5,7 @@
#include <linux/devcoredump.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
diff --git a/net/bluetooth/eir.h b/net/bluetooth/eir.h
index 0df19f2f4af9..5c89a05e8b29 100644
--- a/net/bluetooth/eir.h
+++ b/net/bluetooth/eir.h
@@ -5,7 +5,7 @@
* Copyright (C) 2021 Intel Corporation
*/
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
void eir_create(struct hci_dev *hdev, u8 *data);
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index d083117ee36c..c4c74b82ed21 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -289,6 +289,9 @@ static int hci_enhanced_setup_sync(struct hci_dev *hdev, void *data)
kfree(conn_handle);
+ if (!hci_conn_valid(hdev, conn))
+ return -ECANCELED;
+
bt_dev_dbg(hdev, "hcon %p", conn);
configure_datapath_sync(hdev, &conn->codec);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index d6976db02c06..96d097b21d13 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -33,7 +33,7 @@
#include <linux/property.h>
#include <linux/suspend.h>
#include <linux/wait.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -1644,12 +1644,12 @@ void hci_adv_instances_clear(struct hci_dev *hdev)
struct adv_info *adv_instance, *n;
if (hdev->adv_instance_timeout) {
- cancel_delayed_work(&hdev->adv_instance_expire);
+ disable_delayed_work(&hdev->adv_instance_expire);
hdev->adv_instance_timeout = 0;
}
list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
- cancel_delayed_work_sync(&adv_instance->rpa_expired_cb);
+ disable_delayed_work_sync(&adv_instance->rpa_expired_cb);
list_del(&adv_instance->list);
kfree(adv_instance);
}
@@ -2685,11 +2685,11 @@ void hci_unregister_dev(struct hci_dev *hdev)
list_del(&hdev->list);
write_unlock(&hci_dev_list_lock);
- cancel_work_sync(&hdev->rx_work);
- cancel_work_sync(&hdev->cmd_work);
- cancel_work_sync(&hdev->tx_work);
- cancel_work_sync(&hdev->power_on);
- cancel_work_sync(&hdev->error_reset);
+ disable_work_sync(&hdev->rx_work);
+ disable_work_sync(&hdev->cmd_work);
+ disable_work_sync(&hdev->tx_work);
+ disable_work_sync(&hdev->power_on);
+ disable_work_sync(&hdev->error_reset);
hci_cmd_sync_clear(hdev);
@@ -2796,8 +2796,14 @@ static void hci_cancel_cmd_sync(struct hci_dev *hdev, int err)
{
bt_dev_dbg(hdev, "err 0x%2.2x", err);
- cancel_delayed_work_sync(&hdev->cmd_timer);
- cancel_delayed_work_sync(&hdev->ncmd_timer);
+ if (hci_dev_test_flag(hdev, HCI_UNREGISTER)) {
+ disable_delayed_work_sync(&hdev->cmd_timer);
+ disable_delayed_work_sync(&hdev->ncmd_timer);
+ } else {
+ cancel_delayed_work_sync(&hdev->cmd_timer);
+ cancel_delayed_work_sync(&hdev->ncmd_timer);
+ }
+
atomic_set(&hdev->cmd_cnt, 1);
hci_cmd_sync_cancel_sync(hdev, err);
@@ -3782,6 +3788,8 @@ static void hci_acldata_packet(struct hci_dev *hdev, struct sk_buff *skb)
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, handle);
+ if (conn && hci_dev_test_flag(hdev, HCI_MGMT))
+ mgmt_device_connected(hdev, conn, NULL, 0);
hci_dev_unlock(hdev);
if (conn) {
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 1c82dcdf6e8f..0bbad90ddd6f 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -25,7 +25,7 @@
/* Bluetooth HCI event handling. */
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <linux/crypto.h>
#include <crypto/algapi.h>
@@ -3706,7 +3706,7 @@ static void hci_remote_features_evt(struct hci_dev *hdev, void *data,
goto unlock;
}
- if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
+ if (!ev->status) {
struct hci_cp_remote_name_req cp;
memset(&cp, 0, sizeof(cp));
bacpy(&cp.bdaddr, &conn->dst);
@@ -5324,19 +5324,16 @@ static void hci_user_confirm_request_evt(struct hci_dev *hdev, void *data,
goto unlock;
}
- /* If no side requires MITM protection; auto-accept */
+ /* If no side requires MITM protection; use JUST_CFM method */
if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
(!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
- /* If we're not the initiators request authorization to
- * proceed from user space (mgmt_user_confirm with
- * confirm_hint set to 1). The exception is if neither
- * side had MITM or if the local IO capability is
- * NoInputNoOutput, in which case we do auto-accept
+ /* If we're not the initiator of request authorization and the
+ * local IO capability is not NoInputNoOutput, use JUST_WORKS
+ * method (mgmt_user_confirm with confirm_hint set to 1).
*/
if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
- conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
- (loc_mitm || rem_mitm)) {
+ conn->io_capability != HCI_IO_NO_INPUT_OUTPUT) {
bt_dev_dbg(hdev, "Confirming auto-accept as acceptor");
confirm_hint = 1;
goto confirm;
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 69c2ba1e843e..2272e1849ebd 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -27,7 +27,7 @@
#include <linux/export.h>
#include <linux/utsname.h>
#include <linux/sched.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index 40ccdef168d7..ae7a5817883a 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -5131,9 +5131,15 @@ int hci_dev_close_sync(struct hci_dev *hdev)
bt_dev_dbg(hdev, "");
- cancel_delayed_work(&hdev->power_off);
- cancel_delayed_work(&hdev->ncmd_timer);
- cancel_delayed_work(&hdev->le_scan_disable);
+ if (hci_dev_test_flag(hdev, HCI_UNREGISTER)) {
+ disable_delayed_work(&hdev->power_off);
+ disable_delayed_work(&hdev->ncmd_timer);
+ disable_delayed_work(&hdev->le_scan_disable);
+ } else {
+ cancel_delayed_work(&hdev->power_off);
+ cancel_delayed_work(&hdev->ncmd_timer);
+ cancel_delayed_work(&hdev->le_scan_disable);
+ }
hci_cmd_sync_cancel_sync(hdev, ENODEV);
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index d5e00d0dd1a0..7a83e400ac77 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -93,6 +93,16 @@ static struct sock *iso_get_sock(bdaddr_t *src, bdaddr_t *dst,
#define ISO_CONN_TIMEOUT (HZ * 40)
#define ISO_DISCONN_TIMEOUT (HZ * 2)
+static struct sock *iso_sock_hold(struct iso_conn *conn)
+{
+ if (!conn || !bt_sock_linked(&iso_sk_list, conn->sk))
+ return NULL;
+
+ sock_hold(conn->sk);
+
+ return conn->sk;
+}
+
static void iso_sock_timeout(struct work_struct *work)
{
struct iso_conn *conn = container_of(work, struct iso_conn,
@@ -100,9 +110,7 @@ static void iso_sock_timeout(struct work_struct *work)
struct sock *sk;
iso_conn_lock(conn);
- sk = conn->sk;
- if (sk)
- sock_hold(sk);
+ sk = iso_sock_hold(conn);
iso_conn_unlock(conn);
if (!sk)
@@ -209,9 +217,7 @@ static void iso_conn_del(struct hci_conn *hcon, int err)
/* Kill socket */
iso_conn_lock(conn);
- sk = conn->sk;
- if (sk)
- sock_hold(sk);
+ sk = iso_sock_hold(conn);
iso_conn_unlock(conn);
if (sk) {
@@ -2301,13 +2307,9 @@ int iso_init(void)
hci_register_cb(&iso_cb);
- if (IS_ERR_OR_NULL(bt_debugfs))
- return 0;
-
- if (!iso_debugfs) {
+ if (!IS_ERR_OR_NULL(bt_debugfs))
iso_debugfs = debugfs_create_file("iso", 0444, bt_debugfs,
NULL, &iso_debugfs_fops);
- }
iso_inited = true;
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 9988ba382b68..6544c1ed7143 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -4066,17 +4066,9 @@ response:
static int l2cap_connect_req(struct l2cap_conn *conn,
struct l2cap_cmd_hdr *cmd, u16 cmd_len, u8 *data)
{
- struct hci_dev *hdev = conn->hcon->hdev;
- struct hci_conn *hcon = conn->hcon;
-
if (cmd_len < sizeof(struct l2cap_conn_req))
return -EPROTO;
- hci_dev_lock(hdev);
- if (hci_dev_test_flag(hdev, HCI_MGMT))
- mgmt_device_connected(hdev, hcon, NULL, 0);
- hci_dev_unlock(hdev);
-
l2cap_connect(conn, cmd, data, L2CAP_CONN_RSP);
return 0;
}
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index e4f564d6f6fb..a429661b676a 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -25,7 +25,7 @@
/* Bluetooth HCI Management interface */
#include <linux/module.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -1453,10 +1453,15 @@ static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data)
static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data)
{
- if (cmd->cmd_complete) {
- u8 *status = data;
+ struct cmd_lookup *match = data;
+
+ /* dequeue cmd_sync entries using cmd as data as that is about to be
+ * removed/freed.
+ */
+ hci_cmd_sync_dequeue(match->hdev, NULL, cmd, NULL);
- cmd->cmd_complete(cmd, *status);
+ if (cmd->cmd_complete) {
+ cmd->cmd_complete(cmd, match->mgmt_status);
mgmt_pending_remove(cmd);
return;
@@ -9394,12 +9399,12 @@ void mgmt_index_added(struct hci_dev *hdev)
void mgmt_index_removed(struct hci_dev *hdev)
{
struct mgmt_ev_ext_index ev;
- u8 status = MGMT_STATUS_INVALID_INDEX;
+ struct cmd_lookup match = { NULL, hdev, MGMT_STATUS_INVALID_INDEX };
if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
return;
- mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
+ mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &match);
if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, NULL, 0,
@@ -9450,7 +9455,7 @@ void mgmt_power_on(struct hci_dev *hdev, int err)
void __mgmt_power_off(struct hci_dev *hdev)
{
struct cmd_lookup match = { NULL, hdev };
- u8 status, zero_cod[] = { 0, 0, 0 };
+ u8 zero_cod[] = { 0, 0, 0 };
mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
@@ -9462,11 +9467,11 @@ void __mgmt_power_off(struct hci_dev *hdev)
* status responses.
*/
if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
- status = MGMT_STATUS_INVALID_INDEX;
+ match.mgmt_status = MGMT_STATUS_INVALID_INDEX;
else
- status = MGMT_STATUS_NOT_POWERED;
+ match.mgmt_status = MGMT_STATUS_NOT_POWERED;
- mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
+ mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &match);
if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0) {
mgmt_limited_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
diff --git a/net/bluetooth/mgmt_util.c b/net/bluetooth/mgmt_util.c
index 0115f783bde8..17ab909a7c07 100644
--- a/net/bluetooth/mgmt_util.c
+++ b/net/bluetooth/mgmt_util.c
@@ -21,7 +21,7 @@
SOFTWARE IS DISCLAIMED.
*/
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 1d34d8497033..ad5177e3a69b 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -28,7 +28,7 @@
#include <linux/module.h>
#include <linux/debugfs.h>
#include <linux/kthread.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 37d63d768afb..f48250e3f2e1 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -865,9 +865,7 @@ static int rfcomm_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned lon
if (err == -ENOIOCTLCMD) {
#ifdef CONFIG_BT_RFCOMM_TTY
- lock_sock(sk);
err = rfcomm_dev_ioctl(sk, cmd, (void __user *) arg);
- release_sock(sk);
#else
err = -EOPNOTSUPP;
#endif
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index a5ac160c592e..1c7252a36866 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -76,6 +76,16 @@ struct sco_pinfo {
#define SCO_CONN_TIMEOUT (HZ * 40)
#define SCO_DISCONN_TIMEOUT (HZ * 2)
+static struct sock *sco_sock_hold(struct sco_conn *conn)
+{
+ if (!conn || !bt_sock_linked(&sco_sk_list, conn->sk))
+ return NULL;
+
+ sock_hold(conn->sk);
+
+ return conn->sk;
+}
+
static void sco_sock_timeout(struct work_struct *work)
{
struct sco_conn *conn = container_of(work, struct sco_conn,
@@ -87,9 +97,7 @@ static void sco_sock_timeout(struct work_struct *work)
sco_conn_unlock(conn);
return;
}
- sk = conn->sk;
- if (sk)
- sock_hold(sk);
+ sk = sco_sock_hold(conn);
sco_conn_unlock(conn);
if (!sk)
@@ -194,9 +202,7 @@ static void sco_conn_del(struct hci_conn *hcon, int err)
/* Kill socket */
sco_conn_lock(conn);
- sk = conn->sk;
- if (sk)
- sock_hold(sk);
+ sk = sco_sock_hold(conn);
sco_conn_unlock(conn);
if (sk) {
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-23 18:10:21 +0000