btrtl_dev->ic_info is only available from the controller on cold boot
(the lmp subversion matches the device model and this is used to look up
the ic_info). On warm boots (firmware already loaded),
btrtl_dev->ic_info is null.
Fixes: 05672a2c14a4 (Bluetooth: btrtl: Enable central-peripheral role)
Signed-off-by: Abhishek Pandit-Subedi <abhishekpan...@chromium.org>
---
drivers/bluetooth/btrtl.c | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 1abf6a4d672734f..978f3c773856b05 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -719,16 +719,19 @@ int btrtl_setup_realtek(struct hci_dev *hdev)
*/
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
- /* Enable central-peripheral role (able to create new connections with
- * an existing connection in slave role).
- */
- switch (btrtl_dev->ic_info->lmp_subver) {
- case RTL_ROM_LMP_8822B:
- set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
- break;
- default:
- rtl_dev_dbg(hdev, "Central-peripheral role not enabled.");
- break;
+ if (btrtl_dev->ic_info) {
+ /* Enable central-peripheral role (able to create new
+ * connections with an existing connection in slave role).
+ */
+ switch (btrtl_dev->ic_info->lmp_subver) {
+ case RTL_ROM_LMP_8822B:
+ set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
+ break;
+ default:
+ rtl_dev_dbg(hdev,
+ "Central-peripheral role not enabled.");
+ break;
+ }
}
btrtl_free(btrtl_dev);
--
2.29.2.729.g45daf8777d-goog
