diff options
Diffstat (limited to 'net/nfc/netlink.c')
| -rw-r--r-- | net/nfc/netlink.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index 6199f4334fbd..ff5995624146 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -666,8 +666,10 @@ static int nfc_genl_dump_devices_done(struct netlink_callback *cb) { struct class_dev_iter *iter = (struct class_dev_iter *) cb->args[0]; - nfc_device_iter_exit(iter); - kfree(iter); + if (iter) { + nfc_device_iter_exit(iter); + kfree(iter); + } return 0; } @@ -884,6 +886,7 @@ static int nfc_genl_stop_poll(struct sk_buff *skb, struct genl_info *info) if (!dev->polling) { device_unlock(&dev->dev); + nfc_put_device(dev); return -EINVAL; } @@ -1224,7 +1227,7 @@ static int nfc_genl_fw_download(struct sk_buff *skb, struct genl_info *info) u32 idx; char firmware_name[NFC_FIRMWARE_NAME_MAXSIZE + 1]; - if (!info->attrs[NFC_ATTR_DEVICE_INDEX]) + if (!info->attrs[NFC_ATTR_DEVICE_INDEX] || !info->attrs[NFC_ATTR_FIRMWARE_NAME]) return -EINVAL; idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]); @@ -1399,8 +1402,10 @@ static int nfc_genl_dump_ses_done(struct netlink_callback *cb) { struct class_dev_iter *iter = (struct class_dev_iter *) cb->args[0]; - nfc_device_iter_exit(iter); - kfree(iter); + if (iter) { + nfc_device_iter_exit(iter); + kfree(iter); + } return 0; } |