packet: make packet too small warning match condition

The expression in ll_header_truncated() tests less than or equal, but
the warning prints less than. Update the warning.

Reported-by: Jouni Malinen <jkmalinen@gmail.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 6880f34a529a56510b1145e14d41ed04803dd6a7..0f02668dc2197ffd833fd8375a8fd7260e55b4f6 100644 (file)
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2102,7 +2102,7 @@ static bool ll_header_truncated(const struct net_device *dev, int len)
 {
        /* net device doesn't like empty head */
        if (unlikely(len <= dev->hard_header_len)) {
-               net_warn_ratelimited("%s: packet size is too short (%d < %d)\n",
+               net_warn_ratelimited("%s: packet size is too short (%d <= %d)\n",
                                     current->comm, len, dev->hard_header_len);
                return true;
        }