Re: [PATCH net] bridge: mcast: Fail MDB get request on empty entry

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski [off-list ref]:

On Sun, 29 Sep 2024 15:36:40 +0300 you wrote:

When user space deletes a port from an MDB entry, the port is removed
synchronously. If this was the last port in the entry and the entry is
not joined by the host itself, then the entry is scheduled for deletion
via a timer.

The above means that it is possible for the MDB get netlink request to
retrieve an empty entry which is scheduled for deletion. This is
problematic as after deleting the last port in an entry, user space
cannot rely on a non-zero return code from the MDB get request as an
indication that the port was successfully removed.

[...]

Here is the summary with links:
  - [net] bridge: mcast: Fail MDB get request on empty entry
    https://git.kernel.org/netdev/net/c/555f45d24ba7

You are awesome, thank you!
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