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-rw-r--r--net/bluetooth/af_bluetooth.c25
-rw-r--r--net/bluetooth/bnep/core.c3
-rw-r--r--net/bluetooth/hci_conn.c3
-rw-r--r--net/bluetooth/hci_core.c24
-rw-r--r--net/bluetooth/hci_sync.c30
-rw-r--r--net/bluetooth/iso.c24
-rw-r--r--net/bluetooth/rfcomm/sock.c2
-rw-r--r--net/bluetooth/sco.c18
8 files changed, 89 insertions, 40 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 a3bc0934cc13..d44987d4515c 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -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/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 629c302f7407..96d097b21d13 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -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);
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index 40ccdef168d7..c0203a2b5107 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -206,6 +206,12 @@ struct sk_buff *__hci_cmd_sync_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
return ERR_PTR(err);
}
+ /* If command return a status event skb will be set to NULL as there are
+ * no parameters.
+ */
+ if (!skb)
+ return ERR_PTR(-ENODATA);
+
return skb;
}
EXPORT_SYMBOL(__hci_cmd_sync_sk);
@@ -255,6 +261,11 @@ int __hci_cmd_sync_status_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
u8 status;
skb = __hci_cmd_sync_sk(hdev, opcode, plen, param, event, timeout, sk);
+
+ /* If command return a status event, skb will be set to -ENODATA */
+ if (skb == ERR_PTR(-ENODATA))
+ return 0;
+
if (IS_ERR(skb)) {
if (!event)
bt_dev_err(hdev, "Opcode 0x%4.4x failed: %ld", opcode,
@@ -262,13 +273,6 @@ int __hci_cmd_sync_status_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
return PTR_ERR(skb);
}
- /* If command return a status event skb will be set to NULL as there are
- * no parameters, in case of failure IS_ERR(skb) would have be set to
- * the actual error would be found with PTR_ERR(skb).
- */
- if (!skb)
- return 0;
-
status = skb->data[0];
kfree_skb(skb);
@@ -5131,9 +5135,15 @@ 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/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 2025-02-24 03:53:04 +0000