| commit | d339727c2b1a10f25e6636670ab6e1841170e328 | [log] [tgz] |
|---|---|---|
| author | Eric Dumazet <edumazet@google.com> | Mon Jul 06 17:13:26 2015 +0200 |
| committer | David S. Miller <davem@davemloft.net> | Wed Jul 08 15:46:17 2015 -0700 |
| tree | 94db136cbede171936df076cfc34dfe351a17265 | |
| parent | 142b942a75cb10ede1b42bf85368d41449ab4e3b [diff] |
net: graceful exit from netif_alloc_netdev_queues()
User space can crash kernel with
ip link add ifb10 numtxqueues 100000 type ifb
We must replace a BUG_ON() by proper test and return -EINVAL for
crazy values.
Fixes: 60877a32bce00 ("net: allow large number of tx queues")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>