NFC: fix possible resource leak

Put the device to avoid resource leak on path that the polling flag is invalid. Fixes: a831b91 ("NFC: Do not return EBUSY when stopping a poll that's already stopped") Signed-off-by: Pan Bian <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
zandrey · Jan 23, 2021 · d8f923c · d8f923c
1 parent fc024c5
commit d8f923c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
@@ -852,6 +852,7 @@ 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;
 	}