From: Xiu Jianfeng <xiujianfeng@huawei.com> To: <kvalo@kernel.org>, <davem@davemloft.net>, <edumazet@google.com>, <kuba@kernel.org>, <pabeni@redhat.com>, <rmani@qti.qualcomm.com> Cc: <ath10k@lists.infradead.org>, <linux-wireless@vger.kernel.org>, <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org> Subject: [PATCH RESEND v2] wifi: ath10k: Fix return value in ath10k_pci_init() Date: Thu, 10 Nov 2022 14:19:26 +0800 [thread overview] Message-ID: <20221110061926.18163-1-xiujianfeng@huawei.com> (raw) This driver is attempting to register to support two different buses. if either of these is successful then ath10k_pci_init() should return 0 so that hardware attached to the successful bus can be probed and supported. only if both of these are unsuccessful should ath10k_pci_init() return an errno. Fixes: 0b523ced9a3c ("ath10k: add basic skeleton to support ahb") Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> --- v2: modify according to Jeff's suggestion, and change the commit message and body as well. --- drivers/net/wireless/ath/ath10k/pci.c | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index e56c6a6b1379..728d607289c3 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -3792,18 +3792,22 @@ static struct pci_driver ath10k_pci_driver = { static int __init ath10k_pci_init(void) { - int ret; + int ret1, ret2; - ret = pci_register_driver(&ath10k_pci_driver); - if (ret) + ret1 = pci_register_driver(&ath10k_pci_driver); + if (ret1) printk(KERN_ERR "failed to register ath10k pci driver: %d\n", - ret); + ret1); - ret = ath10k_ahb_init(); - if (ret) - printk(KERN_ERR "ahb init failed: %d\n", ret); + ret2 = ath10k_ahb_init(); + if (ret2) + printk(KERN_ERR "ahb init failed: %d\n", ret2); - return ret; + if (ret1 && ret2) + return ret1; + + /* registered to at least one bus */ + return 0; } module_init(ath10k_pci_init); -- 2.17.1
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From: Xiu Jianfeng <xiujianfeng@huawei.com> To: <kvalo@kernel.org>, <davem@davemloft.net>, <edumazet@google.com>, <kuba@kernel.org>, <pabeni@redhat.com>, <rmani@qti.qualcomm.com> Cc: <ath10k@lists.infradead.org>, <linux-wireless@vger.kernel.org>, <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org> Subject: [PATCH RESEND v2] wifi: ath10k: Fix return value in ath10k_pci_init() Date: Thu, 10 Nov 2022 14:19:26 +0800 [thread overview] Message-ID: <20221110061926.18163-1-xiujianfeng@huawei.com> (raw) This driver is attempting to register to support two different buses. if either of these is successful then ath10k_pci_init() should return 0 so that hardware attached to the successful bus can be probed and supported. only if both of these are unsuccessful should ath10k_pci_init() return an errno. Fixes: 0b523ced9a3c ("ath10k: add basic skeleton to support ahb") Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> --- v2: modify according to Jeff's suggestion, and change the commit message and body as well. --- drivers/net/wireless/ath/ath10k/pci.c | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index e56c6a6b1379..728d607289c3 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -3792,18 +3792,22 @@ static struct pci_driver ath10k_pci_driver = { static int __init ath10k_pci_init(void) { - int ret; + int ret1, ret2; - ret = pci_register_driver(&ath10k_pci_driver); - if (ret) + ret1 = pci_register_driver(&ath10k_pci_driver); + if (ret1) printk(KERN_ERR "failed to register ath10k pci driver: %d\n", - ret); + ret1); - ret = ath10k_ahb_init(); - if (ret) - printk(KERN_ERR "ahb init failed: %d\n", ret); + ret2 = ath10k_ahb_init(); + if (ret2) + printk(KERN_ERR "ahb init failed: %d\n", ret2); - return ret; + if (ret1 && ret2) + return ret1; + + /* registered to at least one bus */ + return 0; } module_init(ath10k_pci_init); -- 2.17.1 _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k
next reply other threads:[~2022-11-10 6:22 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-10 6:19 Xiu Jianfeng [this message] 2022-11-10 6:19 ` [PATCH RESEND v2] wifi: ath10k: Fix return value in ath10k_pci_init() Xiu Jianfeng 2022-11-11 19:59 ` Jeff Johnson 2022-11-11 19:59 ` Jeff Johnson 2022-11-17 12:57 ` Kalle Valo 2022-11-17 12:57 ` Kalle Valo
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