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net: Check for presence of IFLA_AF_SPEC

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ndo_bridge_setlink() is currently only called on the slave if
IFLA_AF_SPEC is set but this is a very fragile assumption and may
change in the future.

Cc: Ajit Khaparde <ajit.khaparde@emulex.com>
Cc: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Graf 2014-11-26 13:42:18 +01:00 committed by David S. Miller
parent b7c1a31411
commit 4ea85e831e
2 changed files with 4 additions and 0 deletions
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2
drivers/net/ethernet/emulex/benet/be_main.c
View File

@ -4309,6 +4309,8 @@ static int be_ndo_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh)
return -EOPNOTSUPP;
br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
if (!br_spec)
return -EINVAL;
nla_for_each_nested(attr, br_spec, rem) {
if (nla_type(attr) != IFLA_BRIDGE_MODE)

2
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
View File

@ -7669,6 +7669,8 @@ static int ixgbe_ndo_bridge_setlink(struct net_device *dev,
return -EOPNOTSUPP;
br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
if (!br_spec)
return -EINVAL;
nla_for_each_nested(attr, br_spec, rem) {
__u16 mode;