35 static void kill_share(struct ksmbd_share_config *share)  in kill_share()  argument
37 	while (!list_empty(&share->veto_list)) {  in kill_share()
40 		p = list_entry(share->veto_list.next,  in kill_share()
48 	if (share->path)  in kill_share()
49 		path_put(&share->vfs_path);  in kill_share()
50 	kfree(share->name);  in kill_share()
51 	kfree(share->path);  in kill_share()
52 	kfree(share);  in kill_share()
55 void ksmbd_share_config_del(struct ksmbd_share_config *share)  in ksmbd_share_config_del()  argument
58 	hash_del(&share->hlist);  in ksmbd_share_config_del()
62 void __ksmbd_share_config_put(struct ksmbd_share_config *share)  in __ksmbd_share_config_put()  argument
64 	ksmbd_share_config_del(share);  in __ksmbd_share_config_put()
65 	kill_share(share);  in __ksmbd_share_config_put()
69 __get_share_config(struct ksmbd_share_config *share)  in __get_share_config()  argument
71 	if (!atomic_inc_not_zero(&share->refcount))  in __get_share_config()
73 	return share;  in __get_share_config()
78 	struct ksmbd_share_config *share;  in __share_lookup()  local
81 	hash_for_each_possible(shares_table, share, hlist, key) {  in __share_lookup()
82 		if (!strcmp(name, share->name))  in __share_lookup()
83 			return share;  in __share_lookup()
88 static int parse_veto_list(struct ksmbd_share_config *share,  in parse_veto_list()  argument
114 		list_add(&p->list, &share->veto_list);  in parse_veto_list()
127 	struct ksmbd_share_config *share = NULL;  in share_config_request()  local
151 	share = kzalloc(sizeof(struct ksmbd_share_config), GFP_KERNEL);  in share_config_request()
152 	if (!share)  in share_config_request()
155 	share->flags = resp->flags;  in share_config_request()
156 	atomic_set(&share->refcount, 1);  in share_config_request()
157 	INIT_LIST_HEAD(&share->veto_list);  in share_config_request()
158 	share->name = kstrdup(name, GFP_KERNEL);  in share_config_request()
160 	if (!test_share_config_flag(share, KSMBD_SHARE_FLAG_PIPE)) {  in share_config_request()
161 		share->path = kstrdup(ksmbd_share_config_path(resp),  in share_config_request()
163 		if (share->path)  in share_config_request()
164 			share->path_sz = strlen(share->path);  in share_config_request()
165 		share->create_mask = resp->create_mask;  in share_config_request()
166 		share->directory_mask = resp->directory_mask;  in share_config_request()
167 		share->force_create_mode = resp->force_create_mode;  in share_config_request()
168 		share->force_directory_mode = resp->force_directory_mode;  in share_config_request()
169 		share->force_uid = resp->force_uid;  in share_config_request()
170 		share->force_gid = resp->force_gid;  in share_config_request()
171 		ret = parse_veto_list(share,  in share_config_request()
174 		if (!ret && share->path) {  in share_config_request()
175 			ret = kern_path(share->path, 0, &share->vfs_path);  in share_config_request()
178 					    share->path);  in share_config_request()
180 				kfree(share->path);  in share_config_request()
181 				share->path = NULL;  in share_config_request()
184 		if (ret || !share->name) {  in share_config_request()
185 			kill_share(share);  in share_config_request()
186 			share = NULL;  in share_config_request()
196 		hash_add(shares_table, &share->hlist, share_name_hash(name));  in share_config_request()
198 		kill_share(share);  in share_config_request()
199 		share = lookup;  in share_config_request()
205 	return share;  in share_config_request()
211 	struct ksmbd_share_config *share;  in ksmbd_share_config_get()  local
214 	share = __share_lookup(name);  in ksmbd_share_config_get()
215 	if (share)  in ksmbd_share_config_get()
216 		share = __get_share_config(share);  in ksmbd_share_config_get()
219 	if (share)  in ksmbd_share_config_get()
220 		return share;  in ksmbd_share_config_get()
224 bool ksmbd_share_veto_filename(struct ksmbd_share_config *share,  in ksmbd_share_veto_filename()  argument
229 	list_for_each_entry(p, &share->veto_list, list) {  in ksmbd_share_veto_filename()