diff options
Diffstat (limited to 'src/config.c')
-rw-r--r-- | src/config.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/config.c b/src/config.c index 979603c..fd334ef 100644 --- a/src/config.c +++ b/src/config.c @@ -621,9 +621,11 @@ int config_parse_interface(void *data, size_t len, const char *name, bool overwr } if ((c = tb[IFACE_ATTR_RA_MTU])) { - iface->ra_mtu = blobmsg_get_u32(c); - if (iface->ra_mtu < 1280) + uint32_t ra_mtu = blobmsg_get_u32(c); + if (ra_mtu < 1280 || ra_mtu > 65535) goto err; + + iface->ra_mtu = ra_mtu; } if ((c = tb[IFACE_ATTR_RA_OFFLINK])) |