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>
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 19eba3c..d41ea27 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -767,8 +767,11 @@
}
}
-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 @@
union ib_gid mgid;
if (!ipoib_mcast_addr_is_valid(mclist->dmi_addr,
+ mclist->dmi_addrlen,
dev->broadcast))
continue;