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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2008-04-02 13:48:07 -0700
committerJeff Garzik <jgarzik@redhat.com>2008-04-16 20:41:36 -0400
commit8d7c294cae6fd1474d88267810d1965f60a903af (patch)
tree2d9716923c2ef045ba4309530c6d510959254c17 /drivers/net/e1000e
parent2723b019214c8787ee2fb54dacacfd112d2e5bf4 (diff)
e1000e: limit EEPROM size accesses
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/e1000e')
-rw-r--r--drivers/net/e1000e/82571.c4
-rw-r--r--drivers/net/e1000e/es2lan.c4
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index f7e1619b974..9b46a00bb5f 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -171,6 +171,10 @@ static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
* for setting word_size.
*/
size += NVM_WORD_SIZE_BASE_SHIFT;
+
+ /* EEPROM access above 16k is unsupported */
+ if (size > 14)
+ size = 14;
nvm->word_size = 1 << size;
break;
}
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index e3f4aeefeae..2689e4b83f9 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -178,6 +178,10 @@ static s32 e1000_init_nvm_params_80003es2lan(struct e1000_hw *hw)
* for setting word_size.
*/
size += NVM_WORD_SIZE_BASE_SHIFT;
+
+ /* EEPROM access above 16k is unsupported */
+ if (size > 14)
+ size = 14;
nvm->word_size = 1 << size;
return 0;