Merge tag 'for-net-next-2025-05-22' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

Luiz Augusto von Dentz says:

====================
bluetooth-next pull request for net-next:

core:
 - Add support for SIOCETHTOOL ETHTOOL_GET_TS_INFO
 - Separate CIS_LINK and BIS_LINK link types
 - Introduce HCI Driver protocol

drivers:
 - btintel_pcie: Do not generate coredump for diagnostic events
 - btusb: Add HCI Drv commands for configuring altsetting
 - btusb: Add RTL8851BE device 0x0bda:0xb850
 - btusb: Add new VID/PID 13d3/3584 for MT7922
 - btusb: Add new VID/PID 13d3/3630 and 13d3/3613 for MT7925
 - btnxpuart: Implement host-wakeup feature

* tag 'for-net-next-2025-05-22' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (23 commits)
  Bluetooth: btintel: Check dsbr size from EFI variable
  Bluetooth: MGMT: iterate over mesh commands in mgmt_mesh_foreach()
  Bluetooth: btusb: Add new VID/PID 13d3/3584 for MT7922
  Bluetooth: btusb: use skb_pull to avoid unsafe access in QCA dump handling
  Bluetooth: L2CAP: Fix not checking l2cap_chan security level
  Bluetooth: separate CIS_LINK and BIS_LINK link types
  Bluetooth: btusb: Add new VID/PID 13d3/3630 for MT7925
  Bluetooth: add support for SIOCETHTOOL ETHTOOL_GET_TS_INFO
  Bluetooth: btintel_pcie: Dump debug registers on error
  Bluetooth: ISO: Fix getpeername not returning sockaddr_iso_bc fields
  Bluetooth: ISO: Fix not using SID from adv report
  Revert "Bluetooth: btusb: add sysfs attribute to control USB alt setting"
  Revert "Bluetooth: btusb: Configure altsetting for HCI_USER_CHANNEL"
  Bluetooth: btusb: Add HCI Drv commands for configuring altsetting
  Bluetooth: Introduce HCI Driver protocol
  Bluetooth: btnxpuart: Implement host-wakeup feature
  dt-bindings: net: bluetooth: nxp: Add support for host-wakeup
  Bluetooth: btusb: Add RTL8851BE device 0x0bda:0xb850
  Bluetooth: hci_uart: Remove unnecessary NULL check before release_firmware()
  Bluetooth: btmtksdio: Fix wakeup source leaks on device unbind
  ...
====================

Link: https://patch.msgid.link/20250522171048.3307873-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

1 files changed, 3 insertions, 10 deletions

diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 48e2f400957b..55cc1652bfe4 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -2719,7 +2719,7 @@ static int btintel_uefi_get_dsbr(u32 *dsbr_var)
 	} __packed data;
 
 	efi_status_t status;
-	unsigned long data_size = 0;
+	unsigned long data_size = sizeof(data);
 	efi_guid_t guid = EFI_GUID(0xe65d8884, 0xd4af, 0x4b20, 0x8d, 0x03,
 				   0x77, 0x2e, 0xcc, 0x3d, 0xa5, 0x31);
 
@@ -2730,15 +2730,9 @@ static int btintel_uefi_get_dsbr(u32 *dsbr_var)
 		return -EOPNOTSUPP;
 
 	status = efi.get_variable(BTINTEL_EFI_DSBR, &guid, NULL, &data_size,
-				  NULL);
-
-	if (status != EFI_BUFFER_TOO_SMALL || !data_size)
-		return -EIO;
-
-	status = efi.get_variable(BTINTEL_EFI_DSBR, &guid, NULL, &data_size,
 				  &data);
 
-	if (status != EFI_SUCCESS)
+	if (status != EFI_SUCCESS || data_size != sizeof(data))
 		return -ENXIO;
 
 	*dsbr_var = data.dsbr;
@@ -3688,7 +3682,7 @@ int btintel_configure_setup(struct hci_dev *hdev, const char *driver_name)
 }
 EXPORT_SYMBOL_GPL(btintel_configure_setup);
 
-int btintel_diagnostics(struct hci_dev *hdev, struct sk_buff *skb)
+static int btintel_diagnostics(struct hci_dev *hdev, struct sk_buff *skb)
 {
 	struct intel_tlv *tlv = (void *)&skb->data[5];
 
@@ -3716,7 +3710,6 @@ int btintel_diagnostics(struct hci_dev *hdev, struct sk_buff *skb)
 recv_frame:
 	return hci_recv_frame(hdev, skb);
 }
-EXPORT_SYMBOL_GPL(btintel_diagnostics);
 
 int btintel_recv_event(struct hci_dev *hdev, struct sk_buff *skb)
 {