diff options
Diffstat (limited to 'drivers/net/tg3.c')
| -rw-r--r-- | drivers/net/tg3.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 8f7160812e06..ffb09795101e 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -10499,6 +10499,41 @@ static int tg3_test_nvram(struct tg3 *tp) if (csum != le32_to_cpu(buf[0xfc/4])) goto out; + for (i = 0; i < TG3_NVM_VPD_LEN; i += 4) { + /* The data is in little-endian format in NVRAM. + * Use the big-endian read routines to preserve + * the byte order as it exists in NVRAM. + */ + if (tg3_nvram_read_be32(tp, TG3_NVM_VPD_OFF + i, &buf[i/4])) + goto out; + } + + i = pci_vpd_find_tag((u8 *)buf, 0, TG3_NVM_VPD_LEN, + PCI_VPD_LRDT_RO_DATA); + if (i > 0) { + j = pci_vpd_lrdt_size(&((u8 *)buf)[i]); + if (j < 0) + goto out; + + if (i + PCI_VPD_LRDT_TAG_SIZE + j > TG3_NVM_VPD_LEN) + goto out; + + i += PCI_VPD_LRDT_TAG_SIZE; + j = pci_vpd_find_info_keyword((u8 *)buf, i, j, + PCI_VPD_RO_KEYWORD_CHKSUM); + if (j > 0) { + u8 csum8 = 0; + + j += PCI_VPD_INFO_FLD_HDR_SIZE; + + for (i = 0; i <= j; i++) + csum8 += ((u8 *)buf)[i]; + + if (csum8) + goto out; + } + } + err = 0; out: |