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authorDavid S. Miller <davem@davemloft.net>2008-04-03 01:35:23 -0400
committerDavid S. Miller <davem@davemloft.net>2008-04-03 01:35:23 -0400
commite1ec1b8ccdf0df6000faa8c2d985ca5f94157e5a (patch)
tree4e1ca325dde22f1ac21c9da0be509e87e922e604 /drivers/net/tulip
parentc0f39322c335412339dec16ebfd2a05ceba5ebcf (diff)
parent802fb176d8c635ae42da31b80841c26e8c7338a0 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/s2io.c
Diffstat (limited to 'drivers/net/tulip')
-rw-r--r--drivers/net/tulip/eeprom.c6
-rw-r--r--drivers/net/tulip/tulip_core.c7
2 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/tulip/eeprom.c b/drivers/net/tulip/eeprom.c
index 206918bad539..da2206f6021d 100644
--- a/drivers/net/tulip/eeprom.c
+++ b/drivers/net/tulip/eeprom.c
@@ -343,6 +343,12 @@ int __devinit tulip_read_eeprom(struct net_device *dev, int location, int addr_l
343 void __iomem *ee_addr = tp->base_addr + CSR9; 343 void __iomem *ee_addr = tp->base_addr + CSR9;
344 int read_cmd = location | (EE_READ_CMD << addr_len); 344 int read_cmd = location | (EE_READ_CMD << addr_len);
345 345
346 /* If location is past the end of what we can address, don't
347 * read some other location (ie truncate). Just return zero.
348 */
349 if (location > (1 << addr_len) - 1)
350 return 0;
351
346 iowrite32(EE_ENB & ~EE_CS, ee_addr); 352 iowrite32(EE_ENB & ~EE_CS, ee_addr);
347 iowrite32(EE_ENB, ee_addr); 353 iowrite32(EE_ENB, ee_addr);
348 354
diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
index ed600bf56e78..82f404b76d81 100644
--- a/drivers/net/tulip/tulip_core.c
+++ b/drivers/net/tulip/tulip_core.c
@@ -1437,6 +1437,7 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
1437 EEPROM. 1437 EEPROM.
1438 */ 1438 */
1439 ee_data = tp->eeprom; 1439 ee_data = tp->eeprom;
1440 memset(ee_data, 0, sizeof(tp->eeprom));
1440 sum = 0; 1441 sum = 0;
1441 if (chip_idx == LC82C168) { 1442 if (chip_idx == LC82C168) {
1442 for (i = 0; i < 3; i++) { 1443 for (i = 0; i < 3; i++) {
@@ -1458,8 +1459,12 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
1458 /* A serial EEPROM interface, we read now and sort it out later. */ 1459 /* A serial EEPROM interface, we read now and sort it out later. */
1459 int sa_offset = 0; 1460 int sa_offset = 0;
1460 int ee_addr_size = tulip_read_eeprom(dev, 0xff, 8) & 0x40000 ? 8 : 6; 1461 int ee_addr_size = tulip_read_eeprom(dev, 0xff, 8) & 0x40000 ? 8 : 6;
1462 int ee_max_addr = ((1 << ee_addr_size) - 1) * sizeof(u16);
1461 1463
1462 for (i = 0; i < sizeof(tp->eeprom); i+=2) { 1464 if (ee_max_addr > sizeof(tp->eeprom))
1465 ee_max_addr = sizeof(tp->eeprom);
1466
1467 for (i = 0; i < ee_max_addr ; i += sizeof(u16)) {
1463 u16 data = tulip_read_eeprom(dev, i/2, ee_addr_size); 1468 u16 data = tulip_read_eeprom(dev, i/2, ee_addr_size);
1464 ee_data[i] = data & 0xff; 1469 ee_data[i] = data & 0xff;
1465 ee_data[i + 1] = data >> 8; 1470 ee_data[i + 1] = data >> 8;