From 2e9217d1e8b72dde2c7e3e2338cc1830f68cb58d Mon Sep 17 00:00:00 2001
From: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Date: Wed, 22 May 2019 19:12:57 -0400
Subject: [PATCH] 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 <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 79812daa41275..f758b2e0591fe 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);
--
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