From: mikeb <mikeb@openbsd.org>
Date: Wed, 21 Jun 2017 16:37:48 +0000 (+0000)
Subject: Return early from NVS command submission if no response is required
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=f16a32e726601f365a3db7c159a87240d3919ed2;p=openbsd

Return early from NVS command submission if no response is required
---

diff --git a/sys/dev/pv/if_hvn.c b/sys/dev/pv/if_hvn.c
index 377bc672c56..9613bdf722d 100644
--- a/sys/dev/pv/if_hvn.c
+++ b/sys/dev/pv/if_hvn.c
@@ -1045,6 +1045,9 @@ hvn_nvs_cmd(struct hvn_softc *sc, void *cmd, size_t cmdsize, uint64_t tid,
 		return (rv);
 	}
 
+	if (timo == 0)
+		return (0);
+
 	do {
 		if (cold)
 			delay(1000);