[PATCH] drivers/md: fix potential memleak

[Bernard Zhao]

In function get_bitmap_from_slot, when md_bitmap_create failed,
md_bitmap_destroy must be called to do clean up.

Signed-off-by: Bernard Zhao <bernard@xxxxxxxx>
---
 drivers/md/md-bitmap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index bfd6026d7809..a227bd0b9301 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -1961,6 +1961,7 @@ struct bitmap *get_bitmap_from_slot(struct mddev *mddev, int slot)
 	bitmap = md_bitmap_create(mddev, slot);
 	if (IS_ERR(bitmap)) {
 		rv = PTR_ERR(bitmap);
+		md_bitmap_destroy(mddev)
 		return ERR_PTR(rv);
 	}
 
-- 
2.33.1