From 1a87d3a3b45fdc005116680f1ed5eaf41fdc38d3 Mon Sep 17 00:00:00 2001
From: Ingo Franzki <ifranzki@linux.ibm.com>
Date: Wed, 15 Jan 2020 16:07:47 +0100
Subject: [PATCH] zkey: fix warn_unused_result compiler warning
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
---
 zkey/zkey-cryptsetup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zkey/zkey-cryptsetup.c b/zkey/zkey-cryptsetup.c
index 7ba28426..938cf729 100644
--- a/zkey/zkey-cryptsetup.c
+++ b/zkey/zkey-cryptsetup.c
@@ -624,7 +624,7 @@ out_err:
 	if (rc != 0)
 		secure_free(pass, MAX_PASSWORD_SIZE + 1);
 	else
-		write(outfd, "\n", 1);
+		rc = write(outfd, "\n", 1) == 1 ? 0 : -EIO;
 
 	if (infd != STDIN_FILENO)
 		close(infd);