[ovs-dev] [PATCH] dns-resolve: Fix a bug that frees node inside HMAP_FOR_EACH
Yifeng Sun
pkusunyifeng at gmail.com
Thu Aug 16 12:28:26 UTC 2018
HMAP_FOR_EACH_SAFE should be used when node is freed inside.
Signed-off-by: Yifeng Sun <pkusunyifeng at gmail.com>
---
lib/dns-resolve.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/dns-resolve.c b/lib/dns-resolve.c
index 299ab27ab5ca..3c6d70e8fbba 100644
--- a/lib/dns-resolve.c
+++ b/lib/dns-resolve.c
@@ -162,8 +162,8 @@ dns_resolve_destroy(void)
ub_ctx_delete(ub_ctx__);
ub_ctx__ = NULL;
- struct resolve_request *req;
- HMAP_FOR_EACH(req, hmap_node, &all_reqs__) {
+ struct resolve_request *req, *next;
+ HMAP_FOR_EACH_SAFE (req, next, hmap_node, &all_reqs__) {
ub_resolve_free(req->ub_result);
free(req->addr);
free(req->name);
--
2.7.4
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