From a1c5f268e5465e0b3cdb4e2a47c0ade3de7988c0 Mon Sep 17 00:00:00 2001
From: Nathan LeClaire <nathan.leclaire@docker.com>
Date: Tue, 22 Jul 2014 10:41:58 -0700
Subject: [PATCH] Add missing error check

Docker-DCO-1.1-Signed-off-by: Nathan LeClaire <nathan.leclaire@docker.com> (github: nathanleclaire)
---
 api/client/commands.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/api/client/commands.go b/api/client/commands.go
index e057a35b4e..056bd27bc3 100644
--- a/api/client/commands.go
+++ b/api/client/commands.go
@@ -188,6 +188,9 @@ func (cli *DockerCli) CmdBuild(args ...string) error {
 			}
 		}
 		context, err = archive.TarWithOptions(root, options)
+		if err != nil {
+			return err
+		}
 	}
 	var body io.Reader
 	// Setup an upload progress bar