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-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 94295a06c124..1a0137d68109 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -4813,6 +4813,10 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
return -EINVAL;
}
+ /* adjust max frame to be at least the size of a standard frame */
+ if (max_frame < (ETH_FRAME_LEN + ETH_FCS_LEN))
+ max_frame = ETH_FRAME_LEN + ETH_FCS_LEN;
+
while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
msleep(1);