From 354f9f8b43608012e8192f2e8d9e13c615df5c34 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Mart=C3=AD?= <mvdan@mvdan.cc>
Date: Sat, 7 Jan 2017 18:45:34 +0000
Subject: [PATCH] cmd/cover: check os.Create error im html output

The error was being written over by Execute.

Change-Id: Id5965542bf4d414043fdbe70ee3f2f790728c01d
Reviewed-on: https://go-review.googlesource.com/34954
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
---
 cmd/cover/html.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cmd/cover/html.go b/cmd/cover/html.go
index f6b226406a..ef50e2bfce 100644
--- a/cmd/cover/html.go
+++ b/cmd/cover/html.go
@@ -67,6 +67,9 @@ func htmlOutput(profile, outfile string) error {
 	} else {
 		out, err = os.Create(outfile)
 	}
+	if err != nil {
+		return err
+	}
 	err = htmlTemplate.Execute(out, d)
 	if err == nil {
 		err = out.Close()