bnx2: Search VPD with pci_vpd_find_ro_info_keyword()
authorHeiner Kallweit <hkallweit1@gmail.com>
Sun, 22 Aug 2021 13:50:50 +0000 (15:50 +0200)
committerBjorn Helgaas <bhelgaas@google.com>
Tue, 24 Aug 2021 16:42:47 +0000 (11:42 -0500)
Use pci_vpd_find_ro_info_keyword() to search for keywords in VPD to
simplify the code.

Link: https://lore.kernel.org/r/7ca2b8b5-4c94-f644-1d80-b2ffb8df2d05@gmail.com
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
drivers/net/ethernet/broadcom/bnx2.c

index bee6cfa..bb25735 100644 (file)
@@ -8033,9 +8033,9 @@ bnx2_get_pci_speed(struct bnx2 *bp)
 static void
 bnx2_read_vpd_fw_ver(struct bnx2 *bp)
 {
+       unsigned int len;
        int rc, i, j;
        u8 *data;
-       unsigned int block_end, rosize, len;
 
 #define BNX2_VPD_NVRAM_OFFSET  0x300
 #define BNX2_VPD_LEN           128
@@ -8057,38 +8057,21 @@ bnx2_read_vpd_fw_ver(struct bnx2 *bp)
                data[i + 3] = data[i + BNX2_VPD_LEN];
        }
 
-       i = pci_vpd_find_tag(data, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
-       if (i < 0)
-               goto vpd_done;
-
-       rosize = pci_vpd_lrdt_size(&data[i]);
-       i += PCI_VPD_LRDT_TAG_SIZE;
-       block_end = i + rosize;
-
-       if (block_end > BNX2_VPD_LEN)
-               goto vpd_done;
-
-       j = pci_vpd_find_info_keyword(data, i, rosize,
-                                     PCI_VPD_RO_KEYWORD_MFR_ID);
+       j = pci_vpd_find_ro_info_keyword(data, BNX2_VPD_LEN,
+                                        PCI_VPD_RO_KEYWORD_MFR_ID, &len);
        if (j < 0)
                goto vpd_done;
 
-       len = pci_vpd_info_field_size(&data[j]);
-
-       j += PCI_VPD_INFO_FLD_HDR_SIZE;
-       if (j + len > block_end || len != 4 ||
-           memcmp(&data[j], "1028", 4))
+       if (len != 4 || memcmp(&data[j], "1028", 4))
                goto vpd_done;
 
-       j = pci_vpd_find_info_keyword(data, i, rosize,
-                                     PCI_VPD_RO_KEYWORD_VENDOR0);
+       j = pci_vpd_find_ro_info_keyword(data, BNX2_VPD_LEN,
+                                        PCI_VPD_RO_KEYWORD_VENDOR0,
+                                        &len);
        if (j < 0)
                goto vpd_done;
 
-       len = pci_vpd_info_field_size(&data[j]);
-
-       j += PCI_VPD_INFO_FLD_HDR_SIZE;
-       if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
+       if (len > BNX2_MAX_VER_SLEN)
                goto vpd_done;
 
        memcpy(bp->fw_version, &data[j], len);