GCC complains (with -O2) that the length is equal to the destination
size, which is indeed invalid. Subtract 1 from the size of the array
to leave room for '\0'.
Signed-off-by: Kevin Brodsky <kevin.brodsky@xxxxxxx>
---
tools/testing/selftests/mm/write_to_hugetlbfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/mm/write_to_hugetlbfs.c b/tools/testing/selftests/mm/write_to_hugetlbfs.c
index 1289d311efd7..34c91f7e6128 100644
--- a/tools/testing/selftests/mm/write_to_hugetlbfs.c
+++ b/tools/testing/selftests/mm/write_to_hugetlbfs.c
@@ -89,7 +89,7 @@ int main(int argc, char **argv)
size = atoi(optarg);
break;
case 'p':
- strncpy(path, optarg, sizeof(path));
+ strncpy(path, optarg, sizeof(path) - 1);
break;
case 'm':
if (atoi(optarg) >= MAX_METHOD) {
--
2.47.0
