linux-kernel - [PATCH] userfaultfd: selftest: fix compiler warning

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Message-ID: <20190527151859.GA3217@ip-172-31-44-144.us-west-2.compute.internal>
Date:   Mon, 27 May 2019 15:18:59 +0000
From:   Alakesh Haloi <alakesh.haloi@...il.com>
To:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Peter Xu <peterx@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Shuah Khan <shuah@...nel.org>
Subject: [PATCH] userfaultfd: selftest: fix compiler warning

Fixes following compiler warning

userfaultfd.c: In function ‘usage’:
userfaultfd.c:126:2: warning: format not a string literal and no format
	arguments [-Wformat-security]
  fprintf(stderr, examples);

Signed-off-by: Alakesh Haloi <alakesh.haloi@...il.com>
---
 tools/testing/selftests/vm/userfaultfd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c
index 5d1db824f73a..b3e6497b080c 100644
--- a/tools/testing/selftests/vm/userfaultfd.c
+++ b/tools/testing/selftests/vm/userfaultfd.c
@@ -123,7 +123,7 @@ static void usage(void)
 	fprintf(stderr, "Supported <test type>: anon, hugetlb, "
 		"hugetlb_shared, shmem\n\n");
 	fprintf(stderr, "Examples:\n\n");
-	fprintf(stderr, examples);
+	fprintf(stderr, "%s", examples);
 	exit(1);
 }
 
-- 
2.17.1