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Thu, 19 Jan 2023 02:25:56 -0800 Received: from drhqmail201.nvidia.com (10.126.190.180) by drhqmail203.nvidia.com (10.126.190.182) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Thu, 19 Jan 2023 02:25:56 -0800 Received: from moonraker.nvidia.com (10.127.8.13) by mail.nvidia.com (10.126.190.180) with Microsoft SMTP Server id 15.2.986.36 via Frontend Transport; Thu, 19 Jan 2023 02:25:55 -0800 From: Jon Hunter To: Greg Kroah-Hartman CC: , , "Andrzej Pietrasiewicz" , Jon Hunter Subject: [PATCH V3 1/2] usb: gadget: u_ether: Improve print in gether_setup_name_default() Date: Thu, 19 Jan 2023 10:25:46 +0000 Message-ID: <20230119102547.26698-1-jonathanh@nvidia.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-NVConfidentiality: public X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT085:EE_|MW4PR12MB5602:EE_ X-MS-Office365-Filtering-Correlation-Id: ec83e20d-00c1-417b-c6d3-08dafa079229 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Jan 2023 10:26:04.8866 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ec83e20d-00c1-417b-c6d3-08dafa079229 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.118.232]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT085.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB5602 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The print in in gether_setup_name_default() does not provide any useful information because a random MAC address will always be generated when calling this function. Update the print to show MAC address that is generated which is similar to other ethernet drivers. Given that the strings 'self' and 'host' are static, we do not need to pass these strings as arguments. Signed-off-by: Jon Hunter --- V2 -> V3: Updated commit message V1 -> V2: Added this patch drivers/usb/gadget/function/u_ether.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index 8f12f3f8f6ee..be8e7b448933 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -845,13 +845,13 @@ struct net_device *gether_setup_name_default(const char *netname) snprintf(net->name, sizeof(net->name), "%s%%d", netname); eth_random_addr(dev->dev_mac); - pr_warn("using random %s ethernet address\n", "self"); + pr_warn("using random self ethernet address %pM\n", dev->dev_mac); /* by default we always have a random MAC address */ net->addr_assign_type = NET_ADDR_RANDOM; eth_random_addr(dev->host_mac); - pr_warn("using random %s ethernet address\n", "host"); + pr_warn("using random host ethernet address %pM\n", dev->host_mac); net->netdev_ops = ð_netdev_ops; From patchwork Thu Jan 19 10:25:47 2023 Content-Type: text/plain; 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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Jan 2023 10:26:05.6210 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a94bc458-f8d0-4a0b-dc9b-08dafa079299 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.118.232]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT085.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR12MB5281 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The function gether_setup_name_default() is called by various USB ethernet gadget drivers. Calling this function will select a random host and device MAC addresses. A properly working driver should be silent, so don't warn the user about default MAC addresses selection happening and convert the warnings into debug messages. Signed-off-by: Jon Hunter --- V2 -> V3: Updated commit message. V1 -> V2: Changed print to debug instead of info. drivers/usb/gadget/function/u_ether.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index be8e7b448933..8feb40e38137 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -845,13 +845,13 @@ struct net_device *gether_setup_name_default(const char *netname) snprintf(net->name, sizeof(net->name), "%s%%d", netname); eth_random_addr(dev->dev_mac); - pr_warn("using random self ethernet address %pM\n", dev->dev_mac); + pr_debug("using random self ethernet address %pM\n", dev->dev_mac); /* by default we always have a random MAC address */ net->addr_assign_type = NET_ADDR_RANDOM; eth_random_addr(dev->host_mac); - pr_warn("using random host ethernet address %pM\n", dev->host_mac); + pr_debug("using random host ethernet address %pM\n", dev->host_mac); net->netdev_ops = ð_netdev_ops;