[Bridge] [PATCH net-next] bridge: mcast: Fix incomplete MDB dump

David Miller davem at davemloft.net
Fri Sep 11 21:50:25 UTC 2020

From: Ido Schimmel <idosch at idosch.org>
Date: Fri, 11 Sep 2020 16:24:47 +0300

> From: Ido Schimmel <idosch at nvidia.com>
> Each MDB entry is encoded in a nested netlink attribute called
> 'MDBA_MDB_ENTRY'. In turn, this attribute contains another nested
> attributed called 'MDBA_MDB_ENTRY_INFO', which encodes a single port
> group entry within the MDB entry.
> The cited commit added the ability to restart a dump from a specific
> port group entry. However, on failure to add a port group entry to the
> dump the entire MDB entry (stored in 'nest2') is removed, resulting in
> missing port group entries.
> Fix this by finalizing the MDB entry with the partial list of already
> encoded port group entries.
> Fixes: 5205e919c9f0 ("net: bridge: mcast: add support for src list and filter mode dumping")
> Signed-off-by: Ido Schimmel <idosch at nvidia.com>
> Acked-by: Nikolay Aleksandrov <nikolay at nvidia.com>
> Reviewed-by: Jiri Pirko <jiri at nvidia.com>

Applied, thank you.

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