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[168.228.202.55]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2fe8284f121sm7014625a91.47.2025.02.28.22.23.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Feb 2025 22:23:29 -0800 (PST) From: Pedro Nishiyama To: linux-bluetooth@vger.kernel.org Cc: Marcel Holtmann , Luiz Augusto von Dentz , Pedro Nishiyama Subject: [PATCH V4 3/4] Bluetooth: Disable SCO support if READ_VOICE_SETTING is unsupported/broken Date: Sat, 1 Mar 2025 03:23:00 -0300 Message-ID: <20250301062301.18029-4-nishiyama.pedro@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250301062301.18029-1-nishiyama.pedro@gmail.com> References: <20250301062301.18029-1-nishiyama.pedro@gmail.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 A SCO connection without the proper voice_setting can cause the controller to lock up. Signed-off-by: Pedro Nishiyama --- net/bluetooth/hci_event.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 2cc7a9306350..88011fdb3673 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -930,6 +930,9 @@ static u8 hci_cc_read_buffer_size(struct hci_dev *hdev, void *data, hdev->sco_pkts = 8; } + if (!read_voice_setting_capable(hdev)) + hdev->sco_pkts = 0; + hdev->acl_cnt = hdev->acl_pkts; hdev->sco_cnt = hdev->sco_pkts;