[PATCH v3 44/44] net/netvsc: use LIST_FOREACH_SAFE

[Stephen Hemminger]

Fix use after free in in remove_cache_list by using LIST_FOREACH_SAFE

Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
 drivers/net/netvsc/hn_ethdev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/netvsc/hn_ethdev.c b/drivers/net/netvsc/hn_ethdev.c
index dc765e88f7..bc243bf229 100644
--- a/drivers/net/netvsc/hn_ethdev.c
+++ b/drivers/net/netvsc/hn_ethdev.c
@@ -1479,14 +1479,14 @@ static int populate_cache_list(void)
 
 static void remove_cache_list(void)
 {
-	struct da_cache *cache;
+	struct da_cache *cache, *tmp;
 
 	rte_spinlock_lock(&netvsc_lock);
 	da_cache_usage--;
 	if (da_cache_usage)
 		goto out;
 
-	LIST_FOREACH(cache, &da_cache_list, list) {
+	LIST_FOREACH_SAFE(cache, &da_cache_list, list, tmp) {
 		LIST_REMOVE(cache, list);
 		free(cache);
 	}
-- 
2.51.0