2023-02-24 01:49:02

by Luiz Augusto von Dentz

[permalink] [raw]
Subject: [PATCH] Bluetooth: btusb: Don't suspend when there are connections

From: Luiz Augusto von Dentz <[email protected]>

This checks if there are connections before suspending since that may
disrupt the connections making it stop receiving any data if remote
wakeup is not enabled.

Signed-off-by: Luiz Augusto von Dentz <[email protected]>
---
drivers/bluetooth/btusb.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 6273a93defd2..279d9e89c646 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -4258,6 +4258,10 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message)

BT_DBG("intf %p", intf);

+ /* Don't suspend if there are connections */
+ if (hci_conn_count(data->hdev))
+ return -EBUSY;
+
if (data->suspend_count++)
return 0;

--
2.37.3