From 7998166c64d616d03ba09e46361d70399c5c938f Mon Sep 17 00:00:00 2001
From: GuEe-GUI <2991707448@qq.com>
Date: Wed, 4 Dec 2024 16:25:28 +0800
Subject: [PATCH] [DM/FIXUP] Fixup block ref_count check in unregister

ref_count should zero in unregister.

Signed-off-by: GuEe-GUI <2991707448@qq.com>
---
 components/drivers/block/blk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/drivers/block/blk.c b/components/drivers/block/blk.c
index 2bfa78b1ef57..681ea125e984 100644
--- a/components/drivers/block/blk.c
+++ b/components/drivers/block/blk.c
@@ -344,7 +344,7 @@ rt_err_t rt_hw_blk_disk_unregister(struct rt_blk_disk *disk)
 
     spin_lock(&disk->lock);
 
-    if (disk->parent.ref_count != 1)
+    if (disk->parent.ref_count > 0)
     {
         err = -RT_EBUSY;
         goto _unlock;