Commit 58a9b5d2 authored by Heiner Kallweit's avatar Heiner Kallweit Committed by David S. Miller
Browse files

bnxt: Search VPD with pci_vpd_find_ro_info_keyword()



Use pci_vpd_find_ro_info_keyword() to search for keywords in VPD to
simplify the code.

Signed-off-by: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ebcdc8eb
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+9 −29
Original line number Diff line number Diff line
@@ -13174,8 +13174,8 @@ static int bnxt_init_mac_addr(struct bnxt *bp)
static void bnxt_vpd_read_info(struct bnxt *bp)
{
	struct pci_dev *pdev = bp->pdev;
	int i, len, pos, ro_size, size;
	unsigned int vpd_size;
	unsigned int vpd_size, kw_len;
	int pos, size;
	u8 *vpd_data;

	vpd_data = pci_vpd_alloc(pdev, &vpd_size);
@@ -13184,42 +13184,22 @@ static void bnxt_vpd_read_info(struct bnxt *bp)
		return;
	}

	i = pci_vpd_find_tag(vpd_data, vpd_size, PCI_VPD_LRDT_RO_DATA);
	if (i < 0) {
		netdev_err(bp->dev, "VPD READ-Only not found\n");
		goto exit;
	}

	ro_size = pci_vpd_lrdt_size(&vpd_data[i]);
	i += PCI_VPD_LRDT_TAG_SIZE;
	if (i + ro_size > vpd_size)
		goto exit;

	pos = pci_vpd_find_info_keyword(vpd_data, i, ro_size,
					PCI_VPD_RO_KEYWORD_PARTNO);
	pos = pci_vpd_find_ro_info_keyword(vpd_data, vpd_size,
					   PCI_VPD_RO_KEYWORD_PARTNO, &kw_len);
	if (pos < 0)
		goto read_sn;

	len = pci_vpd_info_field_size(&vpd_data[pos]);
	pos += PCI_VPD_INFO_FLD_HDR_SIZE;
	if (len + pos > vpd_size)
		goto read_sn;

	size = min(len, BNXT_VPD_FLD_LEN - 1);
	size = min_t(int, kw_len, BNXT_VPD_FLD_LEN - 1);
	memcpy(bp->board_partno, &vpd_data[pos], size);

read_sn:
	pos = pci_vpd_find_info_keyword(vpd_data, i, ro_size,
					PCI_VPD_RO_KEYWORD_SERIALNO);
	pos = pci_vpd_find_ro_info_keyword(vpd_data, vpd_size,
					   PCI_VPD_RO_KEYWORD_SERIALNO,
					   &kw_len);
	if (pos < 0)
		goto exit;

	len = pci_vpd_info_field_size(&vpd_data[pos]);
	pos += PCI_VPD_INFO_FLD_HDR_SIZE;
	if (len + pos > vpd_size)
		goto exit;

	size = min(len, BNXT_VPD_FLD_LEN - 1);
	size = min_t(int, kw_len, BNXT_VPD_FLD_LEN - 1);
	memcpy(bp->board_serialno, &vpd_data[pos], size);
exit:
	kfree(vpd_data);