From: Danylo Vodopianov <[email protected]>
set eth_base to NULL after freeing to prevent
use-after-free
CID: 446746 Use after free (USE_AFTER_FREE)
Coverity issue: 446746
Fixes: 1d3f62a0c4f1 ("net/ntnic: add base init and deinit of flow API")
Signed-off-by: Danylo Vodopianov <[email protected]>
---
drivers/net/ntnic/nthw/flow_api/flow_api.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ntnic/nthw/flow_api/flow_api.c
b/drivers/net/ntnic/nthw/flow_api/flow_api.c
index 82d4e34ae9..d25d1a3dd1 100644
--- a/drivers/net/ntnic/nthw/flow_api/flow_api.c
+++ b/drivers/net/ntnic/nthw/flow_api/flow_api.c
@@ -385,8 +385,10 @@ static void flow_ndev_reset(struct flow_nic_dev *ndev)
}
/* Delete all eth-port devices created on this NIC device */
- while (ndev->eth_base)
+ while (ndev->eth_base) {
flow_delete_eth_dev(ndev->eth_base);
+ ndev->eth_base = NULL;
+ }
/* Error check */
while (ndev->flow_base) {
--
2.45.0
