lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

pci: Add helper to find a VPD resource data type

Browse Source 
This patch adds the pci_vpd_find_tag() helper function to find VPD
resource data types in a buffer.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matt Carlson
2010-02-26 14:04:41 +00:00
committed by David S. Miller
parent 7ad506fa1a
commit b55ac1b226
5 changed files with 65 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/net/bnx2.c
View File

@@ -7769,28 +7769,12 @@ bnx2_read_vpd_fw_ver(struct bnx2 *bp)
}
for (i = 0; i <= BNX2_VPD_LEN - 3; ) {
unsigned char val = data[i];
unsigned int block_end;
if (val & PCI_VPD_LRDT) {
if (i + PCI_VPD_LRDT_TAG_SIZE > BNX2_VPD_LEN)
break;
if (val != PCI_VPD_LRDT_RO_DATA) {
i += PCI_VPD_LRDT_TAG_SIZE +
pci_vpd_lrdt_size(&data[i]);
continue;
}
} else {
if ((val & PCI_VPD_SRDT_TIN_MASK) == PCI_VPD_STIN_END)
break;
i += PCI_VPD_SRDT_TAG_SIZE +
pci_vpd_srdt_size(&data[i]);
continue;
}
i = pci_vpd_find_tag(data, i, BNX2_VPD_LEN,
PCI_VPD_LRDT_RO_DATA);
if (i < 0)
break;
block_end = (i + PCI_VPD_LRDT_TAG_SIZE +
pci_vpd_lrdt_size(&data[i]));