diff options
| author | Ingo Molnar <mingo@kernel.org> | 2024-01-08 12:57:28 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2024-01-08 12:57:28 +0100 |
| commit | cdb3033e191fd03da2d7da23b9cd448dfa180a8e (patch) | |
| tree | e863d55e63bea2bc9c18652e0d7291fec5e5cd23 /drivers/bluetooth/hci_vhci.c | |
| parent | fbb66ce0b1d670c72def736a13ac9176b860df4e (diff) | |
| parent | f60a631ab9ed5df15e446269ea515f2b8948ba0c (diff) | |
Merge branch 'sched/urgent' into sched/core, to pick up pending v6.7 fixes for the v6.8 merge window
This fix didn't make it upstream in time, pick it up
for the v6.8 merge window.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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; |