From cf730a96327f1e571d9e3621289a8dbd06c99cae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20H=C3=B6ppner?= <hoeppner@linux.ibm.com>
Date: Mon, 20 May 2019 16:35:10 +0200
Subject: [PATCH] zipl: Fix compile warning
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bootmap.c: In function ‘check_secure_boot_support’:
bootmap.c:131:2: warning: ignoring return value of ‘fscanf’, declared
with attribute warn_unused_result [-Wunused-result]
  fscanf(fp, "%d", &val);
  ^~~~~~~~~~~~~~~~~~~~~~

Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
---
 zipl/src/bootmap.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/zipl/src/bootmap.c b/zipl/src/bootmap.c
index 456c2efe..3206b6d8 100644
--- a/zipl/src/bootmap.c
+++ b/zipl/src/bootmap.c
@@ -128,7 +128,10 @@ check_secure_boot_support(void)
 	if (!fp)
 		return false;
 
-	fscanf(fp, "%d", &val);
+	if (fscanf(fp, "%d", &val) != 1) {
+		fclose(fp);
+		return false;
+	}
 	fclose(fp);
 
 	return val ? true : false;