[PATCH 5.14 097/849] tools/testing/selftests/vm/split_huge_page_test.c: fix application of sizeof to pointer

Greg Kroah-Hartman
2021-11-15T21:42:24Z

From: David Yang <davidcomponentone@gmail.com>

[ Upstream commit 9c7516d669e68e94e17203469a873ff5d1d3a41a ]

The coccinelle check report:

./tools/testing/selftests/vm/split_huge_page_test.c:344:36-42:
ERROR: application of sizeof to pointer

Use "strlen" to fix it.

Link: https://lkml.kernel.org/r/20211012030116.184027-1-davidcomponentone@gmail.com
Signed-off-by: David Yang <davidcomponentone@gmail.com>
Reported-by: Zeal Robot <zealci@zte.com.cn>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
tools/testing/selftests/vm/split_huge_page_test.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/vm/split_huge_page_test.c b/tools/testing/selftests/vm/split_huge_page_test.c
index 1af16d2c2a0ac..52497b7b9f1db 100644
--- a/tools/testing/selftests/vm/split_huge_page_test.c
+++ b/tools/testing/selftests/vm/split_huge_page_test.c
@@ -341,7 +341,7 @@ void split_file_backed_thp(void)
}

/* write something to the file, so a file-backed THP can be allocated */
- num_written = write(fd, tmpfs_loc, sizeof(tmpfs_loc));
+ num_written = write(fd, tmpfs_loc, strlen(tmpfs_loc) + 1);
close(fd);

if (num_written < 1) {
--
2.33.0