From: Peng Li Date: Thu, 4 Apr 2019 08:17:51 +0000 (+0800) Subject: net: hns3: return 0 and print warning when hit duplicate MAC X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=72110b567479f0282489a9b3747e76d8c67d75f5;p=linux.git net: hns3: return 0 and print warning when hit duplicate MAC When set 2 same MAC to different function of one port, IMP will return error as the later one may modify the origin one. This will cause bond fail for 2 VFs of one port. Driver just print warning and return 0 with this patch, so if set same MAC address, it will return 0 but do not really configure HW. Signed-off-by: Peng Li Signed-off-by: Huazhong Tan Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index e742a05331219..f51e4c01b6705 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -5962,8 +5962,11 @@ int hclge_add_uc_addr_common(struct hclge_vport *vport, } /* check if we just hit the duplicate */ - if (!ret) - ret = -EINVAL; + if (!ret) { + dev_warn(&hdev->pdev->dev, "VF %d mac(%pM) exists\n", + vport->vport_id, addr); + return 0; + } dev_err(&hdev->pdev->dev, "PF failed to add unicast entry(%pM) in the MAC table\n",