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-rw-r--r--net/core/rtnetlink.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index d735e85..8261d95 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2911,6 +2911,7 @@ int ndo_dflt_fdb_dump(struct sk_buff *skb,
nlmsg_populate_fdb(skb, cb, dev, &idx, &dev->mc);
out:
netif_addr_unlock_bh(dev);
+ cb->args[1] = err;
return idx;
}
EXPORT_SYMBOL(ndo_dflt_fdb_dump);
@@ -2944,6 +2945,7 @@ static int rtnl_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb)
ops = br_dev->netdev_ops;
}
+ cb->args[1] = 0;
for_each_netdev(net, dev) {
if (brport_idx && (dev->ifindex != brport_idx))
continue;
@@ -2971,12 +2973,16 @@ static int rtnl_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb)
idx = cops->ndo_fdb_dump(skb, cb, br_dev, dev,
idx);
}
+ if (cb->args[1] == -EMSGSIZE)
+ break;
if (dev->netdev_ops->ndo_fdb_dump)
idx = dev->netdev_ops->ndo_fdb_dump(skb, cb, dev, NULL,
idx);
else
idx = ndo_dflt_fdb_dump(skb, cb, dev, NULL, idx);
+ if (cb->args[1] == -EMSGSIZE)
+ break;
cops = NULL;
}
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