Commit 7f59203a authored by Josef Bacik's avatar Josef Bacik Committed by Chris Mason
Browse files

Btrfs: check return value of open_bdev_exclusive properly



Hit this problem while testing RAID1 failure stuff.  open_bdev_exclusive
returns ERR_PTR(), not NULL.  So change the return value properly.  This
is important if you accidently specify a device that doesn't exist when
trying to add a new device to an array, you will panic the box
dereferencing bdev.
Signed-off-by: default avatarJosef Bacik <josef@redhat.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent f48b9075
......@@ -1434,8 +1434,8 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path)
return -EINVAL;
bdev = open_bdev_exclusive(device_path, 0, root->fs_info->bdev_holder);
if (!bdev)
return -EIO;
if (IS_ERR(bdev))
return PTR_ERR(bdev);
if (root->fs_info->fs_devices->seeding) {
seeding_dev = 1;
......
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment