net/bnxt: fix check while freeing filter
net/bnxt: fix check while freeing filter

This patch fixes the coverity UNUSED_VALUE issue.

Coverity issue: 349938
Fixes: 49d0709b257f ("net/bnxt: delete and flush L2 filters cleanly")

Signed-off-by: Kalesh AP <818b6a3caba85cc3a76890be15484140b8e9f23b@broadcom.com>
Reviewed-by: Ajit Khaparde <01965fbd61169dc18f3fb5e13de7f67d298f8924@broadcom.com>
Signed-off-by: Somnath Kotur <b8220280eb86080d22ca0cb32db0b374b9a89cc6@broadcom.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk