From: Vasundhara Volam Date: Wed, 22 May 2019 23:12:57 +0000 (-0400) Subject: bnxt_en: Device serial number is supported only for PFs. X-Git-Tag: for-linus-20190617~2^2~12^2~41^2 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=2e9217d1e8b72dde2c7e3e2338cc1830f68cb58d;p=uclinux-h8%2Flinux.git bnxt_en: Device serial number is supported only for PFs. Don't read DSN on VFs that do not have the PCI capability. Fixes: 03213a996531 ("bnxt: move bp->switch_id initialization to PF probe") Signed-off-by: Vasundhara Volam Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 79812daa4127..f758b2e0591f 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -10725,11 +10725,12 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) goto init_err_pci_clean; } - /* Read the adapter's DSN to use as the eswitch switch_id */ - rc = bnxt_pcie_dsn_get(bp, bp->switch_id); - if (rc) - goto init_err_pci_clean; - + if (BNXT_PF(bp)) { + /* Read the adapter's DSN to use as the eswitch switch_id */ + rc = bnxt_pcie_dsn_get(bp, bp->switch_id); + if (rc) + goto init_err_pci_clean; + } bnxt_hwrm_func_qcfg(bp); bnxt_hwrm_vnic_qcaps(bp); bnxt_hwrm_port_led_qcaps(bp);