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path: root/net/bluetooth/hci_sock.c
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Diffstat (limited to 'net/bluetooth/hci_sock.c')
-rw-r--r--net/bluetooth/hci_sock.c70
1 files changed, 6 insertions, 64 deletions
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 295e4a88fff8..ff02cf5e77cc 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -180,82 +180,24 @@ static int hci_sock_release(struct socket *sock)
return 0;
}
-struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr)
-{
- struct list_head *p;
-
- list_for_each(p, &hdev->blacklist) {
- struct bdaddr_list *b;
-
- b = list_entry(p, struct bdaddr_list, list);
-
- if (bacmp(bdaddr, &b->bdaddr) == 0)
- return b;
- }
-
- return NULL;
-}
-
-static int hci_blacklist_add(struct hci_dev *hdev, void __user *arg)
+static int hci_sock_blacklist_add(struct hci_dev *hdev, void __user *arg)
{
bdaddr_t bdaddr;
- struct bdaddr_list *entry;
if (copy_from_user(&bdaddr, arg, sizeof(bdaddr)))
return -EFAULT;
- if (bacmp(&bdaddr, BDADDR_ANY) == 0)
- return -EBADF;
-
- if (hci_blacklist_lookup(hdev, &bdaddr))
- return -EEXIST;
-
- entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL);
- if (!entry)
- return -ENOMEM;
-
- bacpy(&entry->bdaddr, &bdaddr);
-
- list_add(&entry->list, &hdev->blacklist);
-
- return 0;
-}
-
-int hci_blacklist_clear(struct hci_dev *hdev)
-{
- struct list_head *p, *n;
-
- list_for_each_safe(p, n, &hdev->blacklist) {
- struct bdaddr_list *b;
-
- b = list_entry(p, struct bdaddr_list, list);
-
- list_del(p);
- kfree(b);
- }
-
- return 0;
+ return hci_blacklist_add(hdev, &bdaddr);
}
-static int hci_blacklist_del(struct hci_dev *hdev, void __user *arg)
+static int hci_sock_blacklist_del(struct hci_dev *hdev, void __user *arg)
{
bdaddr_t bdaddr;
- struct bdaddr_list *entry;
if (copy_from_user(&bdaddr, arg, sizeof(bdaddr)))
return -EFAULT;
- if (bacmp(&bdaddr, BDADDR_ANY) == 0)
- return hci_blacklist_clear(hdev);
-
- entry = hci_blacklist_lookup(hdev, &bdaddr);
- if (!entry)
- return -ENOENT;
-
- list_del(&entry->list);
- kfree(entry);
-
- return 0;
+ return hci_blacklist_del(hdev, &bdaddr);
}
/* Ioctls that require bound socket */
@@ -290,12 +232,12 @@ static inline int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd, unsign
case HCIBLOCKADDR:
if (!capable(CAP_NET_ADMIN))
return -EACCES;
- return hci_blacklist_add(hdev, (void __user *) arg);
+ return hci_sock_blacklist_add(hdev, (void __user *) arg);
case HCIUNBLOCKADDR:
if (!capable(CAP_NET_ADMIN))
return -EACCES;
- return hci_blacklist_del(hdev, (void __user *) arg);
+ return hci_sock_blacklist_del(hdev, (void __user *) arg);
default:
if (hdev->ioctl)