Only attempt IMS on status=200 objects.

e99b5cfd · Poul-Henning Kamp · 06ba9c2a · e99b5cfd
Commit e99b5cfd authored Apr 25, 2014 by Poul-Henning Kamp
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cache_fetch.c bin/varnishd/cache/cache_fetch.c +1 -1

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--- a/bin/varnishd/cache/cache_fetch.c
+++ b/bin/varnishd/cache/cache_fetch.c
@@ -199,7 +199,7 @@ vbf_stp_mkbereq(const struct worker *wrk, struct busyobj *bo)
 		http_CopyHome(bo->bereq0);
 	}

-	if (bo->ims_obj != NULL) {
+	if (bo->ims_obj != NULL && bo->ims_obj->http->status == 200) {
 		if (http_GetHdr(bo->ims_obj->http, H_Last_Modified, &p)) {
 			http_PrintfHeader(bo->bereq0,
 			    "If-Modified-Since: %s", p);