8021q: Check return of dev_set_promiscuity/allmulti
authorWang Chen <wangchen@cn.fujitsu.com>
Tue, 15 Jul 2008 03:59:03 +0000 (20:59 -0700)
committerDavid S. Miller <davem@davemloft.net>
Tue, 15 Jul 2008 03:59:03 +0000 (20:59 -0700)
commit89146504cbfeb120dd08ec7f9f8314c4986189b8
tree7a271a017d3e622aa3a3459b3d1b0bbecd4bd9e6
parentb89fb7da2f9a69dd34ff10d45f66baa40ff8c0e5
8021q: Check return of dev_set_promiscuity/allmulti

dev_set_promiscuity/allmulti might overflow.
Commit: "netdevice: Fix promiscuity and allmulti overflow" in net-next makes
dev_set_promiscuity/allmulti return error number if overflow happened.

Here, we check all positive increment for promiscuity and allmulti
to get error return.

Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/8021q/vlan_dev.c