net/enic: fix crash with removed flow director filters

When flow director filters where removed when an enic device is
stopped, the filters were freed but the pointer was not set to
NULL so the next stop would try to free them again.

Fixes: fefed3d1e62c ("enic: new driver")
Signed-off-by: John Daley <johndale@cisco.com>

diff --git a/drivers/net/enic/enic_clsf.c b/drivers/net/enic/enic_clsf.c
index b251b7f2220d94ae6ef2f262b90933ea2cc56ac4..111b1942a080840a8bbcffd1446fec7c0946e37c 100644 (file)
--- a/drivers/net/enic/enic_clsf.c
+++ b/drivers/net/enic/enic_clsf.c
@@ -240,6 +240,7 @@ void enic_clsf_destroy(struct enic *enic)
                        vnic_dev_classifier(enic->vdev, CLSF_DEL,
                                &key->fltr_id, NULL);
                        rte_free(key);
+                       enic->fdir.nodes[index] = NULL;
                }
        }