diff options
| author | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-12-27 15:41:04 +0100 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-12-27 15:41:04 +0100 |
| commit | 4ccdaba5ab560862f89d1d971fbcc2ef424e1867 (patch) | |
| tree | a7931e13df9cc887017eaa143b4dac66de959d90 /drivers/bluetooth/hci_vhci.c | |
| parent | 1cdc605c7d70a390ff75a814a26c6f45d75778be (diff) | |
| parent | 861deac3b092f37b2c5e6871732f3e11486f7082 (diff) | |
Merge tag 'v6.7-rc7' into gpio/for-next
Linux 6.7-rc7
Diffstat (limited to 'drivers/bluetooth/hci_vhci.c')
| -rw-r--r-- | drivers/bluetooth/hci_vhci.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c index f3892e9ce800..572d68d52965 100644 --- a/drivers/bluetooth/hci_vhci.c +++ b/drivers/bluetooth/hci_vhci.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <asm/unaligned.h> +#include <linux/atomic.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/slab.h> @@ -44,6 +45,7 @@ struct vhci_data { bool wakeup; __u16 msft_opcode; bool aosp_capable; + atomic_t initialized; }; static int vhci_open_dev(struct hci_dev *hdev) @@ -75,11 +77,10 @@ static int vhci_send_frame(struct hci_dev *hdev, struct sk_buff *skb) memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1); - mutex_lock(&data->open_mutex); skb_queue_tail(&data->readq, skb); - mutex_unlock(&data->open_mutex); - wake_up_interruptible(&data->read_wait); + if (atomic_read(&data->initialized)) + wake_up_interruptible(&data->read_wait); return 0; } @@ -464,7 +465,8 @@ static int __vhci_create_device(struct vhci_data *data, __u8 opcode) skb_put_u8(skb, 0xff); skb_put_u8(skb, opcode); put_unaligned_le16(hdev->id, skb_put(skb, 2)); - skb_queue_tail(&data->readq, skb); + skb_queue_head(&data->readq, skb); + atomic_inc(&data->initialized); wake_up_interruptible(&data->read_wait); return 0; |