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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Johan Hovold Subject: [PATCH 1/2] Bluetooth: fix invalid-bdaddr quirk for non-persistent setup Date: Mon, 24 Apr 2023 15:35:41 +0200 Message-Id: <20230424133542.14383-2-johan+linaro@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230424133542.14383-1-johan+linaro@kernel.org> References: <20230424133542.14383-1-johan+linaro@kernel.org> MIME-Version: 1.0 X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1764065720946964165?= X-GMAIL-MSGID: =?utf-8?q?1764065720946964165?= Devices that lack persistent storage for the device address can indicate this by setting the HCI_QUIRK_INVALID_BDADDR which causes the controller to be marked as unconfigured until user space has set a valid address. Once configured, the device address must be set on every setup for controllers with HCI_QUIRK_NON_PERSISTENT_SETUP to avoid marking the controller as unconfigured and requiring the address to be set again. Fixes: 740011cfe948 ("Bluetooth: Add new quirk for non-persistent setup settings") Signed-off-by: Johan Hovold --- net/bluetooth/hci_sync.c | 28 +++++++++++----------------- 1 file changed, 11 insertions(+), 17 deletions(-) diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index a8785126df75..f45598b5a532 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -4573,23 +4573,17 @@ static int hci_dev_setup_sync(struct hci_dev *hdev) invalid_bdaddr = test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); if (!ret) { - if (test_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks)) { - if (!bacmp(&hdev->public_addr, BDADDR_ANY)) - hci_dev_get_bd_addr_from_property(hdev); - - if (bacmp(&hdev->public_addr, BDADDR_ANY) && - hdev->set_bdaddr) { - ret = hdev->set_bdaddr(hdev, - &hdev->public_addr); - - /* If setting of the BD_ADDR from the device - * property succeeds, then treat the address - * as valid even if the invalid BD_ADDR - * quirk indicates otherwise. - */ - if (!ret) - invalid_bdaddr = false; - } + if (test_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks) && + !bacmp(&hdev->public_addr, BDADDR_ANY)) + hci_dev_get_bd_addr_from_property(hdev); + + if ((invalid_bdaddr || + test_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks)) && + bacmp(&hdev->public_addr, BDADDR_ANY) && + hdev->set_bdaddr) { + ret = hdev->set_bdaddr(hdev, &hdev->public_addr); + if (!ret) + invalid_bdaddr = false; } }