diff options
Diffstat (limited to 'src/hci.c')
| -rw-r--r-- | src/hci.c | 13 |
1 files changed, 8 insertions, 5 deletions
@@ -647,21 +647,25 @@ int hci_for_each_dev(int flag, int (*func)(int dd, int dev_id, long arg), long a struct hci_dev_list_req *dl; struct hci_dev_req *dr; int dev_id = -1; - int i, sk, err; + int i, sk, err = 0; sk = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI); if (sk < 0) return -1; dl = malloc(HCI_MAX_DEV * sizeof(*dr) + sizeof(*dl)); - if (!dl) + if (!dl) { + err = errno; goto done; + } dl->dev_num = HCI_MAX_DEV; dr = dl->dev_req; - if (ioctl(sk, HCIGETDEVLIST, (void *) dl) < 0) + if (ioctl(sk, HCIGETDEVLIST, (void *) dl) < 0) { + err = errno; goto free; + } for (i = 0; i < dl->dev_num; i++, dr++) { if (hci_test_bit(flag, &dr->dev_opt)) @@ -672,13 +676,12 @@ int hci_for_each_dev(int flag, int (*func)(int dd, int dev_id, long arg), long a } if (dev_id < 0) - errno = ENODEV; + err = ENODEV; free: free(dl); done: - err = errno; close(sk); errno = err; |