Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a831b913 authored by Samuel Ortiz's avatar Samuel Ortiz Committed by John W. Linville
Browse files

NFC: Do not return EBUSY when stopping a poll that's already stopped 



We check for the polling flag before checking if the netlink PID caller
match.

Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 1550bf2d

net/nfc/netlink.c

+9 −0
Original line number Diff line number Diff line
@@ -634,6 +634,15 @@ static int nfc_genl_stop_poll(struct sk_buff *skb, struct genl_info *info) 
	if (!dev)

		return -ENODEV;



	device_lock(&dev->dev);



	if (!dev->polling) {

		device_unlock(&dev->dev);

		return -EINVAL;

	}



	device_unlock(&dev->dev);



	mutex_lock(&dev->genl_data.genl_data_mutex);



	if (dev->genl_data.poll_req_pid != info->snd_pid) {