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btrfs: use error code returned by btrfs_read_fs_root_no_name in search ioctl

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btrfs_read_fs_root_no_name() may return ERR_PTR(-ENOENT) or
ERR_PTR(-ENOMEM) and therefore search_ioctl() and
btrfs_search_path_in_tree() should use PTR_ERR() instead of -ENOENT,
which all other callers of btrfs_read_fs_root_no_name() do.

Drop the error message as it would be confusing, the caller of ioctl
will likely interpret the error code and not look into the syslog.

Signed-off-by: Tomohiro Misono <misono.tomohiro@jp.fujitsu.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Misono Tomohiro 2018-05-21 13:57:27 +09:00 committed by David Sterba
parent 37becec95a
commit ad1e3d5672
1 changed files with 2 additions and 3 deletions
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5
fs/btrfs/ioctl.c
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@ -2155,7 +2155,7 @@ static noinline int search_ioctl(struct inode *inode,
root = btrfs_read_fs_root_no_name(info, &key);
if (IS_ERR(root)) {
btrfs_free_path(path);
return -ENOENT;
return PTR_ERR(root);
}
}
@ -2289,8 +2289,7 @@ static noinline int btrfs_search_path_in_tree(struct btrfs_fs_info *info,
key.offset = (u64)-1;
root = btrfs_read_fs_root_no_name(info, &key);
if (IS_ERR(root)) {
btrfs_err(info, "could not find root %llu", tree_id);
ret = -ENOENT;
ret = PTR_ERR(root);
goto out;
}