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authorArne Jansen <sensille@gmx.net>2011-05-30 08:36:16 +0000
committerChris Mason <chris.mason@oracle.com>2011-06-04 08:03:44 -0400
commit5f3f302a6f4cb74906c05fad1d03fc5e95c7e5af (patch)
tree224a59dcd31fbbe2b23ac85d3d4906bbf7327b78
parentca456ae280c0646e1e571c3b9a3834c55e90adfe (diff)
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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: Arne Jansen <sensille@gmx.net> Signed-off-by: Chris Mason <chris.mason@oracle.com>
-rw-r--r--fs/btrfs/volumes.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index c48214e..da541df 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -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;