The field autoneg of pauseparam is not initialized in some
implementations of get_pauseparam(), but the whole object is
copied to userland.
Signed-off-by: Kangjie Lu <k...@gatech.edu>
---
net/core/ethtool.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index f426c5a..84544bd 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -1723,7 +1723,10 @@ static noinline_for_stack int
ethtool_set_channels(struct net_device *dev,
static int ethtool_get_pauseparam(struct net_device *dev, void __user
*useraddr)
{
- struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM };
+ struct ethtool_pauseparam pauseparam;
+
+ memset(&pauseparam, 0, sizeof(pauseparam));
+ pauseparam.cmd = ETHTOOL_GPAUSEPARAM;
if (!dev->ethtool_ops->get_pauseparam)
return -EOPNOTSUPP;
--
1.9.1
