NFC: fix resource leak when target index is invalid

Goto to the label put_dev instead of the label error to fix potential
resource leak on path that the target index is invalid.

Fixes: c4fbb651 ("NFC: The core part should generate the target index")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Link: https://lore.kernel.org/r/20210121152748.98409-1-bianpan2016@163.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>