[PATCH V2] pipeline: fix packet mirroring configuration

[Thomas Monjalon]

13/06/2022 19:28, Cristian Dumitrescu:
> Fix segmentation fault due to null pointer dereferencing inside the
> "mirror" instruction when number of mirroring slots is set to 0. This
> was taking place when the "mirror" instruction was used without the
> mirror feature being properly configured, i.e. the API function
> rte_swx_pipeline_mirroring_config was not called at initialization.
> 
> Fixes: dac0ecd9098 (" pipeline: support packet mirroring")
> 
> Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu at intel.com>

Applied, thanks.