Only check errno if write(2) failed.

Hopefully this... Fixes #2605

Only check errno if write(2) failed.
Hopefully this... Fixes #2605
c34255fa · Poul-Henning Kamp · Dridi Boukelmoune · b5033c59 · c34255fa
Commit c34255fa authored Apr 11, 2018 by Poul-Henning Kamp Committed by Dridi Boukelmoune Jun 19, 2018
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cache_http1_fsm.c bin/varnishd/http1/cache_http1_fsm.c +2 -1

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--- a/bin/varnishd/http1/cache_http1_fsm.c
+++ b/bin/varnishd/http1/cache_http1_fsm.c
@@ -271,7 +271,8 @@ http1_minimal_response(struct req *req, uint16_t status)
 	if (wl > 0)
 		req->acct.resp_hdrbytes += wl;
 	if (wl != l) {
-		VTCP_Assert(1);
+		if (wl < 0)
+			VTCP_Assert(1);
 		if (!req->doclose)
 			req->doclose = SC_REM_CLOSE;
 		return (-1);