[dpdk-dev] [PATCH v3 1/2] net/failsafe: fix removed sub-device cleanup

[Gaëtan Rivet]

On Tue, May 22, 2018 at 12:38:46PM +0000, Matan Azrad wrote:
> The fail-safe PMD registers to RMV event for each removable sub-device
> port in order to cleanup the sub-device resources and switch the Tx
> sub-device directly when it is plugged-out.
> 
> During removal time, the fail-safe PMD stops and closes the sub-device
> but it doesn't unregister the LSC and RMV callbacks of the sub-device
> port.
> 
> It can lead the callbacks to be called for a port which is no more
> associated with the fail-safe sub-device, because there is not a
> guarantee that a sub-device gets the same port ID for each plug-in
> process. This port, for example, may belong to another sub-device of a
> different fail-safe device.
> 
> Unregister the LSC and RMV callbacks for sub-devices which are not
> used.
> 
> Fixes: 598fb8aec6f6 ("net/failsafe: support device removal")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Matan Azrad <matan at mellanox.com>

Acked-by: Gaetan Rivet <gaetan.rivet at 6wind.com>


-- 
Gaëtan Rivet
6WIND