Before this patch, flex_filter->index was always zero when it was read
and used after rte_zmalloc. The corresponding code was therefore moved
into the add and delete parts of the if/else statement.
Fixes: 231d43909a31 ("igb: migrate flex filter to new API")
Cc: stable@dpdk.org
Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
167e7b9ae5