diff options
| -rw-r--r-- | drivers/net/qlcnic/qlcnic.h | 1 | ||||
| -rw-r--r-- | drivers/net/qlcnic/qlcnic_hw.c | 6 |
2 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h index 9d80171a1fbf..42a288348aca 100644 --- a/drivers/net/qlcnic/qlcnic.h +++ b/drivers/net/qlcnic/qlcnic.h @@ -95,6 +95,7 @@ #define FIRST_PAGE_GROUP_END 0x100000 #define P3_MAX_MTU (9600) +#define P3_MIN_MTU (68) #define QLCNIC_MAX_ETHERHDR 32 /* This contains some padding */ #define QLCNIC_P3_RX_BUF_MAX_LEN (QLCNIC_MAX_ETHERHDR + ETH_DATA_LEN) diff --git a/drivers/net/qlcnic/qlcnic_hw.c b/drivers/net/qlcnic/qlcnic_hw.c index 712cfabc2825..9d3e16dbd043 100644 --- a/drivers/net/qlcnic/qlcnic_hw.c +++ b/drivers/net/qlcnic/qlcnic_hw.c @@ -758,9 +758,9 @@ int qlcnic_change_mtu(struct net_device *netdev, int mtu) struct qlcnic_adapter *adapter = netdev_priv(netdev); int rc = 0; - if (mtu > P3_MAX_MTU) { - dev_err(&adapter->netdev->dev, "mtu > %d bytes unsupported\n", - P3_MAX_MTU); + if (mtu < P3_MIN_MTU || mtu > P3_MAX_MTU) { + dev_err(&adapter->netdev->dev, "%d bytes < mtu < %d bytes" + " not supported\n", P3_MAX_MTU, P3_MIN_MTU); return -EINVAL; } |