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asyn-ares: remove check for 'data' in Curl_resolver_cancel

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It implied it would survive a NULL in there which it won't. Instead do
an assert.

Pointed out by scan-build.

Closes #7248
This commit is contained in:
Daniel Stenberg 2021-06-12 18:37:52 +02:00
parent 73f52ad763
commit c4b8ec495d
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1 changed files with 2 additions and 1 deletions
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lib/asyn-ares.c
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@ -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);
}