nvmet: allow identical cntlid_min and cntlid_max settings

When the user wants to restrict to only creating one controller,
they can set cntlid_min and cntlid_max to the same value.

Signed-off-by: Guixin Liu <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Signed-off-by: Keith Busch <[email protected]>

Author: guixinliu1995

drivers/nvme/target/configfs.c

@@ -1274,7 +1274,7 @@ static ssize_t nvmet_subsys_attr_cntlid_min_store(struct config_item *item,
 		return -EINVAL;
 
 	down_write(&nvmet_config_sem);
-	if (cntlid_min >= to_subsys(item)->cntlid_max)
+	if (cntlid_min > to_subsys(item)->cntlid_max)
 		goto out_unlock;
 	to_subsys(item)->cntlid_min = cntlid_min;
 	up_write(&nvmet_config_sem);
@@ -1304,7 +1304,7 @@ static ssize_t nvmet_subsys_attr_cntlid_max_store(struct config_item *item,
 		return -EINVAL;
 
 	down_write(&nvmet_config_sem);
-	if (cntlid_max <= to_subsys(item)->cntlid_min)
+	if (cntlid_max < to_subsys(item)->cntlid_min)
 		goto out_unlock;
 	to_subsys(item)->cntlid_max = cntlid_max;
 	up_write(&nvmet_config_sem);