On Wed, 13 Jan 2021 11:41:09 +0800 David Wu wrote:
> Since the original mtu is not used when the mtu is updated,
> the mtu is aligned with cache, this will get an incorrect.
> For example, if you want to configure the mtu to be 1500,
> but mtu 1536 is configured in fact.
>
> Fixed: eaf4fac478077 ("net: stmmac: Do not accept invalid MTU values")
> Signed-off-by: David Wu <david...@rock-chips.com>
> ---
> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> index 5b1c12ff98c0..e8640123db76 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> @@ -4025,7 +4025,7 @@ static void stmmac_set_rx_mode(struct net_device *dev)
> static int stmmac_change_mtu(struct net_device *dev, int new_mtu)
> {
> struct stmmac_priv *priv = netdev_priv(dev);
> - int txfifosz = priv->plat->tx_fifo_size;
> + int txfifosz = priv->plat->tx_fifo_size, mtu = new_mtu;
Adjusted the code a little here to keep the variable declaration lines
ordered longest to shortest, and applied.
Thanks!
