Message ID | 20190716085939.21297-3-anton.ivanov@cambridgegreys.com |
---|---|
State | Not Applicable |
Headers | show |
Series | [PATCHv3,1/5] um: Add legacy tap support and rename existing vector to hybrid | expand |
diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c index e314a60cdc98..e79cd1dcb018 100644 --- a/arch/um/drivers/vector_kern.c +++ b/arch/um/drivers/vector_kern.c @@ -121,7 +121,8 @@ static int get_mtu(struct arglist *def) if (mtu != NULL) { if (kstrtoul(mtu, 10, &result) == 0) - return result; + if ((result < (1 << 16) - 1) && (result >= 576)) + return result; } return ETH_MAX_PACKET; }