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From:   Luiz Augusto von Dentz <luiz.dentz@gmail.com>
To:     linux-bluetooth@vger.kernel.org
Subject: [PATCH v3] Bluetooth: btusb: Don't suspend when there are connections
Date:   Tue,  2 May 2023 15:11:59 -0700
Message-Id: <20230502221159.1674607-1-luiz.dentz@gmail.com>
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From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

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 <luiz.von.dentz@intel.com>
---
 drivers/bluetooth/btusb.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 2a8e2bb038f5..dcf1c4f5042b 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -4523,6 +4523,10 @@ 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;
 
-- 
2.40.0