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ipoib: returned back addrlen check for mc addresses 

Apparently bogus mc address can break IPOIB multicast processing. Therefore
returning the check for addrlen back until this is resolved in bonding (I don't
see any other point from where mc address with non-dev->addr_len length can came
from).

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2010-02-27 12:07:33 +00:00 committed by David S. Miller
parent cf0aa4e07c
commit 6c74651c3b
1 changed files with 5 additions and 1 deletions
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6
drivers/infiniband/ulp/ipoib/ipoib_multicast.c
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@ -767,8 +767,11 @@ void ipoib_mcast_dev_flush(struct net_device *dev)
}
}
static int ipoib_mcast_addr_is_valid(const u8 *addr, const u8 *broadcast)
static int ipoib_mcast_addr_is_valid(const u8 *addr, unsigned int addrlen,
const u8 *broadcast)
{
if (addrlen != INFINIBAND_ALEN)
return 0;
/* reserved QPN, prefix, scope */
if (memcmp(addr, broadcast, 6))
return 0;
@ -812,6 +815,7 @@ void ipoib_mcast_restart_task(struct work_struct *work)
union ib_gid mgid;
if (!ipoib_mcast_addr_is_valid(mclist->dmi_addr,
mclist->dmi_addrlen,
dev->broadcast))
continue;