diff mbox series

[-next,v2,1/2] nbd: Fix incorrect error handle when first_minor big than '0xff' in nbd_dev_add

Message ID 20211021125231.916081-2-yebin10@huawei.com (mailing list archive)
State New, archived
Headers show
Series Fix hungtask when nbd_config_put | expand

Commit Message

yebin (H) Oct. 21, 2021, 12:52 p.m. UTC 
If first_minor big than '0xff' goto out_free_idr label, this will miss
cleanup disk.

Fixes: b1a811633f73 ("block: nbd: add sanity check for first_minor")
Signed-off-by: Ye Bin <yebin10@huawei.com>
---
 drivers/block/nbd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index c38971874ea3..6b6ae08ec93b 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -1820,7 +1820,7 @@  static struct nbd_device *nbd_dev_add(int index, unsigned int refs)
 	disk->first_minor = index << part_shift;
 	if (disk->first_minor > 0xff) {
 		err = -EINVAL;
-		goto out_free_idr;
+		goto out_err_disk;
 	}
 
 	disk->minors = 1 << part_shift;