[PATCH] selftests/memfd: fix mfd_fail_open() to pass in buf to printf

[Shuah Khan]

mfd_fail_open() doesn't pass in the buffer to printf resulting
in the following warning:

memfd_test.c: In function âmfd_fail_openâ:
memfd_test.c:208:3: warning: format â%sâ expects a matching âchar *â argument [-Wformat=]
   printf("open(%s) didn't fail as expected\n");
   ^

This change fixes the problem.

Signed-off-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
---
 tools/testing/selftests/memfd/memfd_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/memfd/memfd_test.c b/tools/testing/selftests/memfd/memfd_test.c
index cb5001b..0b9eafb 100644
--- a/tools/testing/selftests/memfd/memfd_test.c
+++ b/tools/testing/selftests/memfd/memfd_test.c
@@ -203,7 +203,7 @@ static void mfd_fail_open(int fd, int flags, mode_t mode)
 	sprintf(buf, "/proc/self/fd/%d", fd);
 	r = open(buf, flags, mode);
 	if (r >= 0) {
-		printf("open(%s) didn't fail as expected\n");
+		printf("open(%s) didn't fail as expected\n", buf);
 		abort();
 	}
 }
-- 
1.9.1

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