t_mmap_dio.c actually requires 4 arguments, not 3 as the current check enforces: # ./src/t_mmap_dio usage: t_mmap_dio <src file> <dest file> <size> <msg> # ./src/t_mmap_dio one two three open src(No such file or directory) len 0 (null) Signed-off-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx> Fixes: 456581661b4d ("xfs: test per-inode DAX flag by IO") --- src/t_mmap_dio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/t_mmap_dio.c b/src/t_mmap_dio.c index 69b9ca8..6c8ca1a 100644 --- a/src/t_mmap_dio.c +++ b/src/t_mmap_dio.c @@ -39,7 +39,7 @@ int main(int argc, char **argv) char *dfile; unsigned long len, opt; - if (argc < 4) + if (argc < 5) usage(basename(argv[0])); while ((opt = getopt(argc, argv, "b")) != -1) -- 2.9.3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>