[master] bbb0506 HTC_S_OVERFLOW is a valid response from the "are_we_there_yet" function.

[Poul-Henning Kamp]

commit bbb050698cee6dd180893786f9596e8b36d51e6d
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Wed Apr 29 13:08:47 2015 +0000

    HTC_S_OVERFLOW is a valid response from the "are_we_there_yet" function.

diff --git a/bin/varnishd/cache/cache_session.c b/bin/varnishd/cache/cache_session.c
index 33cad6b..6391cd7 100644
--- a/bin/varnishd/cache/cache_session.c
+++ b/bin/varnishd/cache/cache_session.c
@@ -259,6 +259,10 @@ SES_RxReq(const struct worker *wrk, struct req *req, htc_complete_f *func)
 			return (HTC_S_OVERFLOW);
 		}
 		hs = func(req->htc);
+		if (hs == HTC_S_OVERFLOW) {
+			WS_ReleaseP(req->htc->ws, req->htc->rxbuf_b);
+			return (HTC_S_OVERFLOW);
+		}
 		if (hs == HTC_S_JUNK) {
 			WS_ReleaseP(req->htc->ws, req->htc->rxbuf_b);
 			return (HTC_S_JUNK);