linux-kernel - [PATCH] selftests: memfd_test.c: fix compilation warning.

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Date:   Sun, 5 Nov 2017 18:56:40 +0800
From:   Lei Yang <Lei.Yang@...driver.com>
To:     <lei.yang@...driver.com>, <shuahkh@....samsung.com>,
        <linux-kselftest@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] selftests: memfd_test.c: fix compilation warning.

Replace '%d' by '%zu' to fix the following compilation warning.

memfd_test.c:517:3: warning: format ‘%d’ expects argument of
type ‘int’,but argument 2 has type ‘size_t’ [-Wformat=]
   printf("malloc(%d) failed: %m\n", mfd_def_size * 8);
   ^
memfd_test.c: In function ‘mfd_fail_grow_write’:
memfd_test.c:537:3: warning: format ‘%d’ expects argument
of type ‘int’,but argument 2 has type ‘size_t’ [-Wformat=]
   printf("malloc(%d) failed: %m\n", mfd_def_size * 8);

Signed-off-by: Lei Yang <Lei.Yang@...driver.com>
---
 tools/testing/selftests/memfd/memfd_test.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/memfd/memfd_test.c b/tools/testing/selftests/memfd/memfd_test.c
index f94c6d1..95df9e6 100644
--- a/tools/testing/selftests/memfd/memfd_test.c
+++ b/tools/testing/selftests/memfd/memfd_test.c
@@ -514,7 +514,7 @@ static void mfd_assert_grow_write(int fd)
 
 	buf = malloc(mfd_def_size * 8);
 	if (!buf) {
-		printf("malloc(%d) failed: %m\n", mfd_def_size * 8);
+		printf("malloc(%zu) failed: %m\n", mfd_def_size * 8);
 		abort();
 	}
 
@@ -534,7 +534,7 @@ static void mfd_fail_grow_write(int fd)
 
 	buf = malloc(mfd_def_size * 8);
 	if (!buf) {
-		printf("malloc(%d) failed: %m\n", mfd_def_size * 8);
+		printf("malloc(%zu) failed: %m\n", mfd_def_size * 8);
 		abort();
 	}
 
-- 
1.9.1