diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/ethtool.c | 11 | ||||
| -rw-r--r-- | net/socket.c | 2 |
2 files changed, 11 insertions, 2 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 597732c989c..e88b80d41f7 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -439,6 +439,7 @@ static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev, { struct ethtool_rxnfc info; size_t info_size = sizeof(info); + int rc; if (!dev->ethtool_ops->set_rxnfc) return -EOPNOTSUPP; @@ -454,7 +455,15 @@ static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev, if (copy_from_user(&info, useraddr, info_size)) return -EFAULT; - return dev->ethtool_ops->set_rxnfc(dev, &info); + rc = dev->ethtool_ops->set_rxnfc(dev, &info); + if (rc) + return rc; + + if (cmd == ETHTOOL_SRXCLSRLINS && + copy_to_user(useraddr, &info, info_size)) + return -EFAULT; + + return 0; } static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev, diff --git a/net/socket.c b/net/socket.c index e62b4f05507..2cad581318f 100644 --- a/net/socket.c +++ b/net/socket.c @@ -2758,10 +2758,10 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32) case ETHTOOL_GRXRINGS: case ETHTOOL_GRXCLSRLCNT: case ETHTOOL_GRXCLSRULE: + case ETHTOOL_SRXCLSRLINS: convert_out = true; /* fall through */ case ETHTOOL_SRXCLSRLDEL: - case ETHTOOL_SRXCLSRLINS: buf_size += sizeof(struct ethtool_rxnfc); convert_in = true; break; |