erofs: remove useless src in erofs_xattr_copy_to_buffer()

Use it->kaddr directly.

Signed-off-by: Ferry Meng <mengferry@linux.alibaba.com>
Reviewed-by: Hongbo Li <lihongbo22@huawei.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
1 file changed