diff mbox series

[-next,v4,3/4] nbd: Fix incorrect error handle when first_minor is illegal in nbd_dev_add

Message ID 20211102015237.2309763-4-yebin10@huawei.com (mailing list archive)
State New, archived
Headers show
Series Fix hungtask when nbd_config_put and sanity check for first_minor | expand

Commit Message

yebin (H) Nov. 2, 2021, 1:52 a.m. UTC
If first_minor is illegal will 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 cc32b5bc0f49..88dc0c49631c 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -1809,7 +1809,7 @@  static struct nbd_device *nbd_dev_add(int index, unsigned int refs)
 	disk->first_minor = index << part_shift;
 	if (disk->first_minor < index || disk->first_minor > MINORMASK) {
 		err = -EINVAL;
-		goto out_free_idr;
+		goto out_err_disk;
 	}
 
 	disk->minors = 1 << part_shift;