148 	struct fs_context *root_fc;  in do_nfs4_mount()  local
163 	root_fc = vfs_dup_fs_context(fc);  in do_nfs4_mount()
164 	if (IS_ERR(root_fc)) {  in do_nfs4_mount()
166 		return PTR_ERR(root_fc);  in do_nfs4_mount()
168 	kfree(root_fc->source);  in do_nfs4_mount()
169 	root_fc->source = NULL;  in do_nfs4_mount()
171 	root_ctx = nfs_fc2context(root_fc);  in do_nfs4_mount()
179 		put_fs_context(root_fc);  in do_nfs4_mount()
188 	ret = vfs_parse_fs_param(root_fc, &param);  in do_nfs4_mount()
191 		put_fs_context(root_fc);  in do_nfs4_mount()
194 	root_mnt = fc_mount(root_fc);  in do_nfs4_mount()
195 	put_fs_context(root_fc);  in do_nfs4_mount()