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(host-127-24.cafrjco.fresno.ca.us.clients.pavlovmedia.net. [68.180.127.24]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2b7a16cf8f2sm14710638eec.7.2026.01.30.16.43.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Jan 2026 16:43:49 -0800 (PST) From: Ethan Nelson-Moore To: netdev@vger.kernel.org, linux-can@vger.kernel.org, linux-wireless@vger.kernel.org Cc: Ethan Nelson-Moore , Michael Grzeschik , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Marc Kleine-Budde , Vincent Mailhol , Ido Schimmel , Petr Machata , Sridhar Samudrala , =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= , Ping-Ke Shih , =?UTF-8?q?Thomas=20M=C3=BChlbacher?= , Oliver Hartkopp Subject: [PATCH net-next] net: remove unnecessary module_init/exit functions Date: Fri, 30 Jan 2026 16:42:56 -0800 Message-ID: <20260131004327.18112-1-enelsonmoore@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Many network drivers have unnecessary empty module_init and module_exit functions. Remove them (including some that just print a message). Note that if a module_init function exists, a module_exit function must also exist; otherwise, the module cannot be unloaded. Signed-off-by: Ethan Nelson-Moore --- drivers/net/arcnet/com20020.c | 16 ---------- drivers/net/can/sja1000/sja1000.c | 16 ---------- drivers/net/ethernet/8390/8390.c | 14 --------- drivers/net/ethernet/8390/8390p.c | 11 ------- drivers/net/ethernet/mellanox/mlxsw/pci.c | 12 -------- drivers/net/hamradio/hdlcdrv.c | 20 ------------- drivers/net/net_failover.c | 13 --------- drivers/net/wireless/ath/ath9k/common.c | 12 -------- .../realtek/rtlwifi/btcoexist/rtl_btc.c | 13 --------- drivers/net/wireless/rsi/rsi_91x_main.c | 29 ------------------- 10 files changed, 156 deletions(-) diff --git a/drivers/net/arcnet/com20020.c b/drivers/net/arcnet/com20020.c index a0053e3992a3..b8526805ffac 100644 --- a/drivers/net/arcnet/com20020.c +++ b/drivers/net/arcnet/com20020.c @@ -401,19 +401,3 @@ EXPORT_SYMBOL(com20020_netdev_ops); MODULE_DESCRIPTION("ARCnet COM20020 chipset core driver"); MODULE_LICENSE("GPL"); - -#ifdef MODULE - -static int __init com20020_module_init(void) -{ - if (BUGLVL(D_NORMAL)) - pr_info("%s\n", "COM20020 chipset support (by David Woodhouse et al.)"); - return 0; -} - -static void __exit com20020_module_exit(void) -{ -} -module_init(com20020_module_init); -module_exit(com20020_module_exit); -#endif /* MODULE */ diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index a8fa0d6516b9..7c5aa8d399d4 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -725,19 +725,3 @@ void unregister_sja1000dev(struct net_device *dev) unregister_candev(dev); } EXPORT_SYMBOL_GPL(unregister_sja1000dev); - -static __init int sja1000_init(void) -{ - printk(KERN_INFO "%s CAN netdevice driver\n", DRV_NAME); - - return 0; -} - -module_init(sja1000_init); - -static __exit void sja1000_exit(void) -{ - printk(KERN_INFO "%s: driver removed\n", DRV_NAME); -} - -module_exit(sja1000_exit); diff --git a/drivers/net/ethernet/8390/8390.c b/drivers/net/ethernet/8390/8390.c index c5636245f1ca..8e4354568f04 100644 --- a/drivers/net/ethernet/8390/8390.c +++ b/drivers/net/ethernet/8390/8390.c @@ -86,19 +86,5 @@ void NS8390_init(struct net_device *dev, int startp) } EXPORT_SYMBOL(NS8390_init); -#if defined(MODULE) - -static int __init ns8390_module_init(void) -{ - return 0; -} - -static void __exit ns8390_module_exit(void) -{ -} - -module_init(ns8390_module_init); -module_exit(ns8390_module_exit); -#endif /* MODULE */ MODULE_DESCRIPTION("National Semiconductor 8390 core driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/8390/8390p.c b/drivers/net/ethernet/8390/8390p.c index 6d429b11e9c6..a0bfc8e34f79 100644 --- a/drivers/net/ethernet/8390/8390p.c +++ b/drivers/net/ethernet/8390/8390p.c @@ -91,16 +91,5 @@ void NS8390p_init(struct net_device *dev, int startp) } EXPORT_SYMBOL(NS8390p_init); -static int __init NS8390p_init_module(void) -{ - return 0; -} - -static void __exit NS8390p_cleanup_module(void) -{ -} - -module_init(NS8390p_init_module); -module_exit(NS8390p_cleanup_module); MODULE_DESCRIPTION("National Semiconductor 8390 core for ISA driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c index 8769cba2c746..7da9ef254b72 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/pci.c +++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c @@ -2542,18 +2542,6 @@ void mlxsw_pci_driver_unregister(struct pci_driver *pci_driver) } EXPORT_SYMBOL(mlxsw_pci_driver_unregister); -static int __init mlxsw_pci_module_init(void) -{ - return 0; -} - -static void __exit mlxsw_pci_module_exit(void) -{ -} - -module_init(mlxsw_pci_module_init); -module_exit(mlxsw_pci_module_exit); - MODULE_LICENSE("Dual BSD/GPL"); MODULE_AUTHOR("Jiri Pirko "); MODULE_DESCRIPTION("Mellanox switch PCI interface driver"); diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c index 2263029d1a20..3b88e465d08f 100644 --- a/drivers/net/hamradio/hdlcdrv.c +++ b/drivers/net/hamradio/hdlcdrv.c @@ -742,26 +742,6 @@ EXPORT_SYMBOL(hdlcdrv_unregister); /* --------------------------------------------------------------------- */ -static int __init hdlcdrv_init_driver(void) -{ - printk(KERN_INFO "hdlcdrv: (C) 1996-2000 Thomas Sailer HB9JNX/AE4WA\n"); - printk(KERN_INFO "hdlcdrv: version 0.8\n"); - return 0; -} - -/* --------------------------------------------------------------------- */ - -static void __exit hdlcdrv_cleanup_driver(void) -{ - printk(KERN_INFO "hdlcdrv: cleanup\n"); -} - -/* --------------------------------------------------------------------- */ - MODULE_AUTHOR("Thomas M. Sailer, sailer@ife.ee.ethz.ch, hb9jnx@hb9w.che.eu"); MODULE_DESCRIPTION("Packet Radio network interface HDLC encoder/decoder"); MODULE_LICENSE("GPL"); -module_init(hdlcdrv_init_driver); -module_exit(hdlcdrv_cleanup_driver); - -/* --------------------------------------------------------------------- */ diff --git a/drivers/net/net_failover.c b/drivers/net/net_failover.c index 5b50d9186f12..d0361aaf25ef 100644 --- a/drivers/net/net_failover.c +++ b/drivers/net/net_failover.c @@ -819,18 +819,5 @@ void net_failover_destroy(struct failover *failover) } EXPORT_SYMBOL_GPL(net_failover_destroy); -static __init int -net_failover_init(void) -{ - return 0; -} -module_init(net_failover_init); - -static __exit -void net_failover_exit(void) -{ -} -module_exit(net_failover_exit); - MODULE_DESCRIPTION("Failover driver for Paravirtual drivers"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c index ffcf2276eb92..f55b3afb3777 100644 --- a/drivers/net/wireless/ath/ath9k/common.c +++ b/drivers/net/wireless/ath/ath9k/common.c @@ -403,15 +403,3 @@ void ath9k_cmn_init_crypto(struct ath_hw *ah) ath_hw_keyreset(common, (u16) i); } EXPORT_SYMBOL(ath9k_cmn_init_crypto); - -static int __init ath9k_cmn_init(void) -{ - return 0; -} -module_init(ath9k_cmn_init); - -static void __exit ath9k_cmn_exit(void) -{ - return; -} -module_exit(ath9k_cmn_exit); diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c index 4641999f3fe9..e88d92d3ae7a 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c @@ -519,16 +519,3 @@ MODULE_AUTHOR("Realtek WlanFAE "); MODULE_AUTHOR("Larry Finger "); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); - -static int __init rtl_btcoexist_module_init(void) -{ - return 0; -} - -static void __exit rtl_btcoexist_module_exit(void) -{ - return; -} - -module_init(rtl_btcoexist_module_init); -module_exit(rtl_btcoexist_module_exit); diff --git a/drivers/net/wireless/rsi/rsi_91x_main.c b/drivers/net/wireless/rsi/rsi_91x_main.c index 2112d8d277a9..a9bb37d5d581 100644 --- a/drivers/net/wireless/rsi/rsi_91x_main.c +++ b/drivers/net/wireless/rsi/rsi_91x_main.c @@ -425,35 +425,6 @@ void rsi_91x_deinit(struct rsi_hw *adapter) } EXPORT_SYMBOL_GPL(rsi_91x_deinit); -/** - * rsi_91x_hal_module_init() - This function is invoked when the module is - * loaded into the kernel. - * It registers the client driver. - * @void: Void. - * - * Return: 0 on success, -1 on failure. - */ -static int rsi_91x_hal_module_init(void) -{ - rsi_dbg(INIT_ZONE, "%s: Module init called\n", __func__); - return 0; -} - -/** - * rsi_91x_hal_module_exit() - This function is called at the time of - * removing/unloading the module. - * It unregisters the client driver. - * @void: Void. - * - * Return: None. - */ -static void rsi_91x_hal_module_exit(void) -{ - rsi_dbg(INIT_ZONE, "%s: Module exit called\n", __func__); -} - -module_init(rsi_91x_hal_module_init); -module_exit(rsi_91x_hal_module_exit); MODULE_AUTHOR("Redpine Signals Inc"); MODULE_DESCRIPTION("Station driver for RSI 91x devices"); MODULE_VERSION("0.1"); -- 2.43.0