[PATCH net-next] enetc: Fix use after free in stream_filter_unref()

[Dan Carpenter]

This code frees "sfi" and then dereferences it on the next line.

Fixes: 888ae5a3952b ("net: enetc: add tc flower psfp offload driver")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
 drivers/net/ethernet/freescale/enetc/enetc_qos.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/enetc/enetc_qos.c 
b/drivers/net/ethernet/freescale/enetc/enetc_qos.c
index 48e589e9d0f7c..10d79eb46c2e8 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_qos.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_qos.c
@@ -902,8 +902,8 @@ static void stream_filter_unref(struct enetc_ndev_priv 
*priv, u32 index)
        if (z) {
                enetc_streamfilter_hw_set(priv, sfi, false);
                hlist_del(&sfi->node);
-               kfree(sfi);
                clear_bit(sfi->index, epsfp.psfp_sfi_bitmap);
+               kfree(sfi);
        }
 }
 
-- 
2.26.2