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btrfs: false BUG_ON when degraded

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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: Arne Jansen <sensille@gmx.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Arne Jansen
2011-05-30 08:36:16 +00:00
committed by Chris Mason
parent ca456ae280
commit 5f3f302a6f
1 changed files with 1 additions and 1 deletions
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fs/btrfs/volumes.c
+1 -1
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@@ -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;