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Diffstat (limited to 'net/ethtool/ioctl.c')
-rw-r--r--net/ethtool/ioctl.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 31e0b4e88a9d..b5df90c981c2 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -1510,11 +1510,14 @@ static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev,
void __user *useraddr)
{
struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE };
+ int ret;
if (!dev->ethtool_ops->get_coalesce)
return -EOPNOTSUPP;
- dev->ethtool_ops->get_coalesce(dev, &coalesce);
+ ret = dev->ethtool_ops->get_coalesce(dev, &coalesce);
+ if (ret)
+ return ret;
if (copy_to_user(useraddr, &coalesce, sizeof(coalesce)))
return -EFAULT;