36 static void kill_share(struct ksmbd_share_config *share)  in kill_share()  argument
38 	while (!list_empty(&share->veto_list)) {  in kill_share()
41 		p = list_entry(share->veto_list.next,  in kill_share()
49 	if (share->path)  in kill_share()
50 		path_put(&share->vfs_path);  in kill_share()
51 	kfree(share->name);  in kill_share()
52 	kfree(share->path);  in kill_share()
53 	kfree(share);  in kill_share()
56 void ksmbd_share_config_del(struct ksmbd_share_config *share)  in ksmbd_share_config_del()  argument
59 	hash_del(&share->hlist);  in ksmbd_share_config_del()
63 void __ksmbd_share_config_put(struct ksmbd_share_config *share)  in __ksmbd_share_config_put()  argument
65 	ksmbd_share_config_del(share);  in __ksmbd_share_config_put()
66 	kill_share(share);  in __ksmbd_share_config_put()
70 __get_share_config(struct ksmbd_share_config *share)  in __get_share_config()  argument
72 	if (!atomic_inc_not_zero(&share->refcount))  in __get_share_config()
74 	return share;  in __get_share_config()
79 	struct ksmbd_share_config *share;  in __share_lookup()  local
82 	hash_for_each_possible(shares_table, share, hlist, key) {  in __share_lookup()
83 		if (!strcmp(name, share->name))  in __share_lookup()
84 			return share;  in __share_lookup()
89 static int parse_veto_list(struct ksmbd_share_config *share,  in parse_veto_list()  argument
115 		list_add(&p->list, &share->veto_list);  in parse_veto_list()
128 	struct ksmbd_share_config *share = NULL;  in share_config_request()  local
153 	share = kzalloc(sizeof(struct ksmbd_share_config), GFP_KERNEL);  in share_config_request()
154 	if (!share)  in share_config_request()
157 	share->flags = resp->flags;  in share_config_request()
158 	atomic_set(&share->refcount, 1);  in share_config_request()
159 	INIT_LIST_HEAD(&share->veto_list);  in share_config_request()
160 	share->name = kstrdup(name, GFP_KERNEL);  in share_config_request()
162 	if (!test_share_config_flag(share, KSMBD_SHARE_FLAG_PIPE)) {  in share_config_request()
168 		share->path = kstrndup(ksmbd_share_config_path(resp), path_len,  in share_config_request()
170 		if (share->path) {  in share_config_request()
171 			share->path_sz = strlen(share->path);  in share_config_request()
172 			while (share->path_sz > 1 &&  in share_config_request()
173 			       share->path[share->path_sz - 1] == '/')  in share_config_request()
174 				share->path[--share->path_sz] = '\0';  in share_config_request()
176 		share->create_mask = resp->create_mask;  in share_config_request()
177 		share->directory_mask = resp->directory_mask;  in share_config_request()
178 		share->force_create_mode = resp->force_create_mode;  in share_config_request()
179 		share->force_directory_mode = resp->force_directory_mode;  in share_config_request()
180 		share->force_uid = resp->force_uid;  in share_config_request()
181 		share->force_gid = resp->force_gid;  in share_config_request()
182 		ret = parse_veto_list(share,  in share_config_request()
185 		if (!ret && share->path) {  in share_config_request()
186 			if (__ksmbd_override_fsids(work, share)) {  in share_config_request()
187 				kill_share(share);  in share_config_request()
188 				share = NULL;  in share_config_request()
192 			ret = kern_path(share->path, 0, &share->vfs_path);  in share_config_request()
196 					    share->path);  in share_config_request()
198 				kfree(share->path);  in share_config_request()
199 				share->path = NULL;  in share_config_request()
202 		if (ret || !share->name) {  in share_config_request()
203 			kill_share(share);  in share_config_request()
204 			share = NULL;  in share_config_request()
214 		hash_add(shares_table, &share->hlist, share_name_hash(name));  in share_config_request()
216 		kill_share(share);  in share_config_request()
217 		share = lookup;  in share_config_request()
223 	return share;  in share_config_request()
229 	struct ksmbd_share_config *share;  in ksmbd_share_config_get()  local
232 	share = __share_lookup(name);  in ksmbd_share_config_get()
233 	if (share)  in ksmbd_share_config_get()
234 		share = __get_share_config(share);  in ksmbd_share_config_get()
237 	if (share)  in ksmbd_share_config_get()
238 		return share;  in ksmbd_share_config_get()
242 bool ksmbd_share_veto_filename(struct ksmbd_share_config *share,  in ksmbd_share_veto_filename()  argument
247 	list_for_each_entry(p, &share->veto_list, list) {  in ksmbd_share_veto_filename()