rtnetlink: Update ipmr_rtm_dumplink for strict data checking
authorDavid Ahern <dsahern@gmail.com>
Mon, 8 Oct 2018 03:16:34 +0000 (20:16 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 8 Oct 2018 17:39:04 +0000 (10:39 -0700)
commit14fc5bb29fe78aaa1777cfee248339497e30c02e
tree89b9c2434b0831514df42c92c5d7ddd9853238b8
parent786e0007e29a58f563bce744e958c692c7cbd435
rtnetlink: Update ipmr_rtm_dumplink for strict data checking

Update ipmr_rtm_dumplink for strict data checking. If the flag is set,
the dump request is expected to have an ifinfomsg struct as the header.
All elements of the struct are expected to be 0 and no attributes can
be appended.

Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: Christian Brauner <christian@brauner.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/ipmr.c