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Fri, 29 Aug 2025 17:50:46 -0700 (PDT) Received: from mozart.vkv.me ([192.184.167.117]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-249063961desm37008335ad.103.2025.08.29.17.50.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Aug 2025 17:50:45 -0700 (PDT) From: Calvin Owens To: linux-kernel@vger.kernel.org Cc: linux-bluetooth@vger.kernel.org, Luiz Augusto von Dentz , Paul Menzel , oe-kbuild-all@lists.linux.dev, Marcel Holtmann , Sean Wang , linux-mediatek@lists.infradead.org Subject: [PATCH] Bluetooth: btmtksdio: Fix build after header cleanup Date: Fri, 29 Aug 2025 17:50:29 -0700 Message-ID: X-Mailer: git-send-email 2.47.2 In-Reply-To: <202508300413.OnIedvRh-lkp@intel.com> References: <202508300413.OnIedvRh-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Syzbot found a randconfig which fails after my recent patch: drivers/bluetooth/btmtksdio.c:442:33: error: array type has incomplete element type ‘struct h4_recv_pkt’ 442 | static const struct h4_recv_pkt mtk_recv_pkts[] = { | ^~~~~~~~~~~~~ drivers/bluetooth/btmtksdio.c:443:11: error: ‘H4_RECV_ACL’ undeclared here (not in a function) 443 | { H4_RECV_ACL, .recv = btmtksdio_recv_acl }, | ^~~~~~~~~~~ drivers/bluetooth/btmtksdio.c:444:11: error: ‘H4_RECV_SCO’ undeclared here (not in a function) 444 | { H4_RECV_SCO, .recv = hci_recv_frame }, | ^~~~~~~~~~~ drivers/bluetooth/btmtksdio.c:445:11: error: ‘H4_RECV_EVENT’ undeclared here (not in a function) 445 | { H4_RECV_EVENT, .recv = btmtksdio_recv_event }, ...because we can have BT_MTKSDIO=y with BT_HCIUART_H4=n, and the definitions used here are gated on BT_HCIUART_H4 in hci_uart.h. I think the simplest way to fix this is to remove the gate on the definitions in hci_uart.h. Since the constants are macros, there's no runtime cost to doing so, and nothing seems to rely on their absence in the BT_HCIUART_H4=n case. I let randconfig builds run for awhile in drivers/bluetooth/ and didn't hit anything else, so hopefully this was the only fallout. Fixes: 74bcec450eea ("Bluetooth: remove duplicate h4_recv_buf() in header") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202508300413.OnIedvRh-lkp@intel.com/ Signed-off-by: Calvin Owens --- drivers/bluetooth/hci_uart.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h index 5ea5dd80e297..fd0624988aba 100644 --- a/drivers/bluetooth/hci_uart.h +++ b/drivers/bluetooth/hci_uart.h @@ -121,7 +121,6 @@ void hci_uart_set_flow_control(struct hci_uart *hu, bool enable); void hci_uart_set_speeds(struct hci_uart *hu, unsigned int init_speed, unsigned int oper_speed); -#ifdef CONFIG_BT_HCIUART_H4 int h4_init(void); int h4_deinit(void); @@ -165,7 +164,6 @@ struct h4_recv_pkt { struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb, const unsigned char *buffer, int count, const struct h4_recv_pkt *pkts, int pkts_count); -#endif #ifdef CONFIG_BT_HCIUART_BCSP int bcsp_init(void); -- 2.49.1