[DM/FIXUP] Fixup block ref_count check in unregister

GuEe-GUI · GuEe-GUI · commit 7998166c64d6 · 2024-12-06T10:44:56.000+08:00
ref_count should zero in unregister.

Signed-off-by: GuEe-GUI &lt;2991707448@qq.com&gt;
diff --git 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;

Original file line number	Diff line number	Diff line change
`@@ -344,7 +344,7 @@ rt_err_t rt_hw_blk_disk_unregister(struct rt_blk_disk *disk)`
`344`	`344`
`345`	`345`	`spin_lock(&disk->lock);`
`346`	`346`
`347`		`- if (disk->parent.ref_count != 1)`
	`347`	`+ if (disk->parent.ref_count > 0)`
`348`	`348`	`{`
`349`	`349`	`err = -RT_EBUSY;`
`350`	`350`	`goto _unlock;`