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 <>
Signed-off-by: default avatarChris Mason <>
parent ca456ae2
...@@ -504,7 +504,7 @@ static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices) ...@@ -504,7 +504,7 @@ static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices)
BUG_ON(!new_device); BUG_ON(!new_device);
memcpy(new_device, device, sizeof(*new_device)); memcpy(new_device, device, sizeof(*new_device));
new_device->name = kstrdup(device->name, GFP_NOFS); 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->bdev = NULL;
new_device->writeable = 0; new_device->writeable = 0;
new_device->in_fs_metadata = 0; new_device->in_fs_metadata = 0;
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