diff options
Diffstat (limited to 'lib/route/cls/ematch/container.c')
| -rw-r--r-- | lib/route/cls/ematch/container.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/route/cls/ematch/container.c b/lib/route/cls/ematch/container.c index ddbdce0a..6d73ab68 100644 --- a/lib/route/cls/ematch/container.c +++ b/lib/route/cls/ematch/container.c @@ -14,8 +14,14 @@ #include <netlink/netlink.h> #include <netlink/route/cls/ematch.h> -static int container_parse(struct rtnl_ematch *e, void *data, size_t len) +static int container_parse(struct rtnl_ematch *e, void *data, size_t len __attribute__((unused))) { + /* + The kernel may provide more than 4 bytes of data in the future and we want + older libnl versions to be ok with that. We want interfaces to be growable + so we only ever enforce a minimum data length and copy as much as we are + aware of. Thomas Graf. + */ memcpy(e->e_data, data, sizeof(uint32_t)); return 0; |