From: Pan Bian bianpan2016@163.com
commit d8f923c3ab96dbbb4e3c22d1afc1dc1d3b195cd8 upstream.
Put the device to avoid resource leak on path that the polling flag is invalid.
Fixes: a831b9132065 ("NFC: Do not return EBUSY when stopping a poll that's already stopped") Signed-off-by: Pan Bian bianpan2016@163.com Link: https://lore.kernel.org/r/20210121153745.122184-1-bianpan2016@163.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- net/nfc/netlink.c | 1 + 1 file changed, 1 insertion(+)
--- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -887,6 +887,7 @@ static int nfc_genl_stop_poll(struct sk_
if (!dev->polling) { device_unlock(&dev->dev); + nfc_put_device(dev); return -EINVAL; }