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-rw-r--r--lib/asyn-ares.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/asyn-ares.c b/lib/asyn-ares.c
index 9ee307beb..839fabb86 100644
--- a/lib/asyn-ares.c
+++ b/lib/asyn-ares.c
@@ -206,7 +206,8 @@ static void destroy_async_data(struct Curl_async *async);
*/
void Curl_resolver_cancel(struct Curl_easy *data)
{
- if(data && data->state.async.resolver)
+ DEBUGASSERT(data);
+ if(data->state.async.resolver)
ares_cancel((ares_channel)data->state.async.resolver);
destroy_async_data(&data->state.async);
}