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-rw-r--r--net/core/ethtool.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 369b41894527..3f79db1b612a 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -1190,6 +1190,8 @@ static noinline_for_stack int ethtool_flash_device(struct net_device *dev,
if (!dev->ethtool_ops->flash_device)
return -EOPNOTSUPP;
+ efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0;
+
return dev->ethtool_ops->flash_device(dev, &efl);
}