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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-04-27 09:34:55 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-04-27 09:34:55 +0200 |
| commit | 96fa72ffb2155dba9ba8c5d282a1ff19ed32f177 (patch) | |
| tree | 97e3dad8795e54405d450315363d7006bc2c2e35 /drivers/net/macsec.c | |
| parent | Add documentation on meaning of -EPROBE_DEFER (diff) | |
| parent | Linux 5.7-rc3 (diff) | |
| download | wireguard-linux-96fa72ffb2155dba9ba8c5d282a1ff19ed32f177.tar.xz wireguard-linux-96fa72ffb2155dba9ba8c5d282a1ff19ed32f177.zip | |
Merge 5.7-rc3 into driver-core-next
We need the driver core fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/macsec.c')
| -rw-r--r-- | drivers/net/macsec.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 0d580d81d910..758baf7cb8a1 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -3809,7 +3809,7 @@ static int macsec_changelink(struct net_device *dev, struct nlattr *tb[], struct netlink_ext_ack *extack) { struct macsec_dev *macsec = macsec_priv(dev); - struct macsec_tx_sa tx_sc; + struct macsec_tx_sc tx_sc; struct macsec_secy secy; int ret; @@ -4002,11 +4002,11 @@ static int macsec_newlink(struct net *net, struct net_device *dev, struct netlink_ext_ack *extack) { struct macsec_dev *macsec = macsec_priv(dev); + rx_handler_func_t *rx_handler; + u8 icv_len = DEFAULT_ICV_LEN; struct net_device *real_dev; - int err; + int err, mtu; sci_t sci; - u8 icv_len = DEFAULT_ICV_LEN; - rx_handler_func_t *rx_handler; if (!tb[IFLA_LINK]) return -EINVAL; @@ -4033,7 +4033,11 @@ static int macsec_newlink(struct net *net, struct net_device *dev, if (data && data[IFLA_MACSEC_ICV_LEN]) icv_len = nla_get_u8(data[IFLA_MACSEC_ICV_LEN]); - dev->mtu = real_dev->mtu - icv_len - macsec_extra_len(true); + mtu = real_dev->mtu - icv_len - macsec_extra_len(true); + if (mtu < 0) + dev->mtu = 0; + else + dev->mtu = mtu; rx_handler = rtnl_dereference(real_dev->rx_handler); if (rx_handler && rx_handler != macsec_handle_frame) |