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path: root/drivers/net/e1000e/ethtool.c
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Diffstat (limited to 'drivers/net/e1000e/ethtool.c')
-rw-r--r--drivers/net/e1000e/ethtool.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index e21c9e0f373..5ed8e13d5fe 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -529,6 +529,9 @@ static int e1000_set_eeprom(struct net_device *netdev,
if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
return -EFAULT;
+ if (adapter->flags & FLAG_READ_ONLY_NVM)
+ return -EINVAL;
+
max_len = hw->nvm.word_size * 2;
first_word = eeprom->offset >> 1;