1 files changed, 4 insertions, 4 deletions

diff --git a/util-linux/fdflush.c b/util-linux/fdflush.c
index c3fcf3325..f3afea320 100644
--- a/util-linux/fdflush.c
+++ b/util-linux/fdflush.c
@@ -35,15 +35,15 @@ extern int fdflush_main(int argc, char **argv)
 {
         int fd, result;
 
-        if (argc <= 1)
+        if (argc != 2)
                 bb_show_usage();
 
         fd = bb_xopen(argv[1], 0);
 
         result = ioctl(fd, FDFLUSH, 0);
-#ifdef CONFIG_FEATURE_CLEAN_UP
-        close(fd);
-#endif
+
+        if (ENABLE_FEATURE_CLEAN_UP) close(fd);
+
         if (result) {
                 bb_perror_nomsg_and_die();
         }