md: don't check 'mddev->pers' from suspend_hi_store()

Now that mddev_suspend() doean't rely on 'mddev->pers' to be set, it's safe to remove such checking. This will also allow the array to be suspended even before the array is ran. Signed-off-by: Yu Kuai <[email protected]> Signed-off-by: Song Liu <[email protected]> Link: https://lore.kernel.org/r/[email protected]
kawasaki · Sep 22, 2023 · a2a9f16 · a2a9f16
1 parent 158d32a
commit a2a9f16
Showing 1 changed file with 1 addition and 6 deletions.
diff --git a/drivers/md/md.c b/drivers/md/md.c
@@ -5226,18 +5226,13 @@ suspend_hi_store(struct mddev *mddev, const char *buf, size_t len)
 	err = mddev_lock(mddev);
 	if (err)
 		return err;
-	err = -EINVAL;
-	if (mddev->pers == NULL)
-		goto unlock;
 
 	mddev_suspend(mddev);
 	mddev->suspend_hi = new;
 	mddev_resume(mddev);
 
-	err = 0;
-unlock:
 	mddev_unlock(mddev);
-	return err ?: len;
+	return len;
 }
 static struct md_sysfs_entry md_suspend_hi =
 __ATTR(suspend_hi, S_IRUGO|S_IWUSR, suspend_hi_show, suspend_hi_store);