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Fix potential nil pointer dereference for kube-proxy healthcheck

pull/6/head
Zihong Zheng 2017-05-25 10:26:51 -07:00
parent cbd6b25c1c
commit 41c4e965c3
1 changed files with 7 additions and 1 deletions
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8
pkg/proxy/healthcheck/healthcheck.go
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@ -197,7 +197,13 @@ var _ http.Handler = hcHandler{}
func (h hcHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
h.hcs.lock.Lock()
count := h.hcs.services[h.name].endpoints
svc, ok := h.hcs.services[h.name]
if !ok || svc == nil {
h.hcs.lock.Unlock()
glog.Errorf("Received request for closed healthcheck %q", h.name.String())
return
}
count := svc.endpoints
h.hcs.lock.Unlock()
resp.Header().Set("Content-Type", "application/json")