diff options
| -rw-r--r-- | interface.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/interface.c b/interface.c index 028dc6c..2fa0613 100644 --- a/interface.c +++ b/interface.c @@ -863,9 +863,15 @@ interface_alloc(const char *name, struct blob_attr *config, bool dynamic) } iface->assignment_hint = -1; - if ((cur = tb[IFACE_ATTR_IP6HINT])) - iface->assignment_hint = strtol(blobmsg_get_string(cur), NULL, 16) & - ~((1 << (64 - iface->assignment_length)) - 1); + if ((cur = tb[IFACE_ATTR_IP6HINT])) { + int32_t assignment_hint = strtol(blobmsg_get_string(cur), NULL, 16); + + iface->assignment_hint = assignment_hint & ~((1 << (64 - iface->assignment_length)) - 1); + + if (iface->assignment_hint != assignment_hint) + netifd_log_message(L_WARNING, "Using truncated assignment hint %d (0x%x) for interface '%s'\n", + iface->assignment_hint, iface->assignment_hint, iface->name); + } if ((cur = tb[IFACE_ATTR_IP6CLASS])) interface_add_assignment_classes(iface, cur); |