summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--net/bluetooth/iso.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index 8ab7ea5ebedf..07b80e97aead 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -14,6 +14,7 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/iso.h>
+#include "eir.h"
static const struct proto_ops iso_sock_ops;
@@ -47,6 +48,7 @@ static void iso_sock_kill(struct sock *sk);
#define EIR_SERVICE_DATA_LENGTH 4
#define BASE_MAX_LENGTH (HCI_MAX_PER_AD_LENGTH - EIR_SERVICE_DATA_LENGTH)
+#define EIR_BAA_SERVICE_UUID 0x1851
/* iso_pinfo flags values */
enum {
@@ -1460,6 +1462,8 @@ static int iso_sock_getsockopt(struct socket *sock, int level, int optname,
len = min_t(unsigned int, len, base_len);
if (copy_to_user(optval, base, len))
err = -EFAULT;
+ if (put_user(len, optlen))
+ err = -EFAULT;
break;
@@ -1782,12 +1786,16 @@ int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags)
ev3 = hci_recv_event_data(hdev, HCI_EV_LE_PER_ADV_REPORT);
if (ev3) {
+ size_t base_len = ev3->length;
+ u8 *base;
+
sk = iso_get_sock_listen(&hdev->bdaddr, bdaddr,
iso_match_sync_handle_pa_report, ev3);
-
- if (sk) {
- memcpy(iso_pi(sk)->base, ev3->data, ev3->length);
- iso_pi(sk)->base_len = ev3->length;
+ base = eir_get_service_data(ev3->data, ev3->length,
+ EIR_BAA_SERVICE_UUID, &base_len);
+ if (base && sk && base_len <= sizeof(iso_pi(sk)->base)) {
+ memcpy(iso_pi(sk)->base, base, base_len);
+ iso_pi(sk)->base_len = base_len;
}
} else {
sk = iso_get_sock_listen(&hdev->bdaddr, BDADDR_ANY, NULL, NULL);