Hi,
On Tue May 28, 2024 at 10:58 AM CEST, Sascha Hauer wrote:
> The hardware may report a packet longer than our receive buffer. Instead
> of reading past the read buffer, discard too long packets.
>
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> ---
> drivers/net/smc911x.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
> index 1fca58ab84..8a0fa5cc25 100644
> --- a/drivers/net/smc911x.c
> +++ b/drivers/net/smc911x.c
> @@ -460,14 +460,14 @@ static int smc911x_eth_rx(struct eth_device *edev)
> smc911x_reg_write(priv, RX_CFG, 0);
>
> tmplen = (pktlen + 3) / 4;
> - while(tmplen--)
> - *data++ = smc911x_reg_read(priv, RX_DATA_FIFO);
> -
> - if(status & RX_STS_ES)
> - dev_err(&edev->dev, "dropped bad packet. Status: 0x%08x\n",
> - status);
> - else
> - net_receive(edev, priv->rx_buf, pktlen);
I don't see a call to net_receive anymore
> +
> + if (pktlen > PKTSIZE || (status & RX_STS_ES)) {
> + while (tmplen--)
> + smc911x_reg_read(priv, RX_DATA_FIFO);
> + } else {
> + while (tmplen--)
> + *data++ = smc911x_reg_read(priv, RX_DATA_FIFO);
> + }
> }
>
> return 0;
