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cxgb4: Use pci_vpd_find_id_string() to find VPD ID string

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Use pci_vpd_find_id_string() to find the VPD ID string. This simplifies the
code and avoids the need for pci_vpd_lrdt_size().

Link: https://lore.kernel.org/r/19ea2e9b-6e94-288a-6612-88db01b1b417@gmail.com
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Heiner Kallweit 2021-08-26 20:56:22 +02:00 committed by Bjorn Helgaas
parent acfbb1b8a4
commit 24c521f81c
1 changed files with 5 additions and 8 deletions
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13
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
View file

@ -2744,7 +2744,7 @@ int t4_seeprom_wp(struct adapter *adapter, bool enable)
int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p)
{
unsigned int id_len, pn_len, sn_len, na_len;
int sn, pn, na, addr, ret = 0;
int id, sn, pn, na, addr, ret = 0;
u8 *vpd, base_val = 0;
vpd = vmalloc(VPD_LEN);
@ -2764,13 +2764,10 @@ int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p)
if (ret < 0)
goto out;
if (vpd[0] != PCI_VPD_LRDT_ID_STRING) {
dev_err(adapter->pdev_dev, "missing VPD ID string\n");
ret = -EINVAL;
ret = pci_vpd_find_id_string(vpd, VPD_LEN, &id_len);
if (ret < 0)
goto out;
}
id_len = pci_vpd_lrdt_size(vpd);
id = ret;
ret = pci_vpd_check_csum(vpd, VPD_LEN);
if (ret) {
@ -2796,7 +2793,7 @@ int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p)
goto out;
na = ret;
memcpy(p->id, vpd + PCI_VPD_LRDT_TAG_SIZE, min_t(int, id_len, ID_LEN));
memcpy(p->id, vpd + id, min_t(int, id_len, ID_LEN));
strim(p->id);
memcpy(p->sn, vpd + sn, min_t(int, sn_len, SERNUM_LEN));
strim(p->sn);