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btrfs: simplify exit paths in btrfs_init_new_device 

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2017-10-30 19:29:46 +01:00
parent 55de480346
commit 5c4cf6c91d
1 changed files with 3 additions and 4 deletions
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7
fs/btrfs/volumes.c
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@ -2345,17 +2345,15 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path
name = rcu_string_strdup(device_path, GFP_KERNEL);
if (!name) {
free_device(device);
ret = -ENOMEM;
goto error;
goto error_free_device;
}
rcu_assign_pointer(device->name, name);
trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans)) {
free_device(device);
ret = PTR_ERR(trans);
goto error;
goto error_free_device;
}
q = bdev_get_queue(bdev);
@ -2495,6 +2493,7 @@ error_trans:
sb->s_flags |= SB_RDONLY;
if (trans)
btrfs_end_transaction(trans);
error_free_device:
free_device(device);
error:
blkdev_put(bdev, FMODE_EXCL);