1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 65814b0340cb..c10ce91b64e9 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5103,7 +5103,7 @@ static int is_mddev_idle(mddev_t *mddev)
                  *
                  * Note: the following is an unsigned comparison.
                  */
-                if ((curr_events - rdev->last_events + 4096) > 8192) {
+                if ((long)curr_events - (long)rdev->last_events > 4096) {
                         rdev->last_events = curr_events;
                         idle = 0;
                 }