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authorIngo Molnar <mingo@elte.hu>2010-10-07 09:43:11 +0200
committerIngo Molnar <mingo@elte.hu>2010-10-07 09:43:11 +0200
commitd4f8f217b8a5d5bd02af979650418dca4caec472 (patch)
treeaf047bfa9729c975e24cb7624107574e884d3a57 /drivers/net/e1000e/lib.c
parent2dfbf4dfbe47a484bae20456c12b40763b9b6af7 (diff)
parent773e3f93577ffb493fb7c39b1a6ecf39b5748e87 (diff)
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Merge branch 'rcu/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu into core/rcu
Diffstat (limited to 'drivers/net/e1000e/lib.c')
-rw-r--r--drivers/net/e1000e/lib.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index df4a279..0fd4eb5 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -183,6 +183,16 @@ s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw)
u16 offset, nvm_alt_mac_addr_offset, nvm_data;
u8 alt_mac_addr[ETH_ALEN];
+ ret_val = e1000_read_nvm(hw, NVM_COMPAT, 1, &nvm_data);
+ if (ret_val)
+ goto out;
+
+ /* Check for LOM (vs. NIC) or one of two valid mezzanine cards */
+ if (!((nvm_data & NVM_COMPAT_LOM) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_82571EB_SERDES_DUAL) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_82571EB_SERDES_QUAD)))
+ goto out;
+
ret_val = e1000_read_nvm(hw, NVM_ALT_MAC_ADDR_PTR, 1,
&nvm_alt_mac_addr_offset);
if (ret_val) {