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Commit 5f3f302a authored by Arne Jansen's avatar Arne Jansen Committed by Chris Mason
Browse files

btrfs: false BUG_ON when degraded 



In degraded mode the struct btrfs_device of missing devs don't have
device->name set. A kstrdup of NULL correctly returns NULL. Don't
BUG in this case.

Signed-off-by: default avatarArne Jansen <sensille@gmx.net>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent ca456ae2

fs/btrfs/volumes.c

+1 −1
Original line number Diff line number Diff line
@@ -504,7 +504,7 @@ static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices) 
		BUG_ON(!new_device);

		memcpy(new_device, device, sizeof(*new_device));

		new_device->name = kstrdup(device->name, GFP_NOFS);

		BUG_ON(!new_device->name);

		BUG_ON(device->name && !new_device->name);

		new_device->bdev = NULL;

		new_device->writeable = 0;

		new_device->in_fs_metadata = 0;