diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/nlmon.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/nlmon.c b/drivers/net/nlmon.c index dc364be6e61e..a0baf56f5826 100644 --- a/drivers/net/nlmon.c +++ b/drivers/net/nlmon.c @@ -28,7 +28,11 @@ static netdev_tx_t nlmon_xmit(struct sk_buff *skb, struct net_device *dev) static int nlmon_is_valid_mtu(int new_mtu) { - return new_mtu >= sizeof(struct nlmsghdr) && new_mtu <= INT_MAX; + /* Note that in netlink we do not really have an upper limit. On + * default, we use NLMSG_GOODSIZE. Here at least we should make + * sure that it's at least the header size. + */ + return new_mtu >= (int) sizeof(struct nlmsghdr); } static int nlmon_change_mtu(struct net_device *dev, int new_mtu) |