diff options
| author | hayeswang <hayeswang@realtek.com> | 2015-02-12 09:33:47 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-02-19 23:08:43 +0300 |
| commit | 396e2e235af79b39d605ad6259f366e502e21959 (patch) | |
| tree | c18049fcd5f0793af6253e879eb1b2b53bb2a4f4 /drivers/net/usb | |
| parent | 464ec10a2d7f09784517040fae8de54a39c2765f (diff) | |
| download | linux-396e2e235af79b39d605ad6259f366e502e21959.tar.xz | |
r8152: change rx early size when the mtu is changed
The rx early size is calculated with the mtu, so it has to be
re-calculated when the mtu is changed.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb')
| -rw-r--r-- | drivers/net/usb/r8152.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 8a8d3a3b18bd..5a3a689b3a60 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -3777,6 +3777,7 @@ out: static int rtl8152_change_mtu(struct net_device *dev, int new_mtu) { struct r8152 *tp = netdev_priv(dev); + int ret; switch (tp->version) { case RTL_VER_01: @@ -3789,9 +3790,22 @@ static int rtl8152_change_mtu(struct net_device *dev, int new_mtu) if (new_mtu < 68 || new_mtu > RTL8153_MAX_MTU) return -EINVAL; + ret = usb_autopm_get_interface(tp->intf); + if (ret < 0) + return ret; + + mutex_lock(&tp->control); + dev->mtu = new_mtu; - return 0; + if (netif_running(dev) && netif_carrier_ok(dev)) + r8153_set_rx_early_size(tp); + + mutex_unlock(&tp->control); + + usb_autopm_put_interface(tp->intf); + + return ret; } static const struct net_device_ops rtl8152_netdev_ops = { |