[PATCH 4.2 006/134] nfc: st-nci: Remove data from ack_pending_q when receiving a SYNC_ACK

Greg Kroah-Hartman
2015-09-26T20:58:09Z

From: Christophe Ricard <christophe.ricard@gmail.com>

commit 1d816b6eb513498aa28a0ff1e4db7632bded1707 upstream.

When receiving a NDLC PCB_SYNC_ACK the pending data was never
removed from ack_pending_q and cleared.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/nfc/st-nci/ndlc.c | 2 ++
1 file changed, 2 insertions(+)

--- a/drivers/nfc/st-nci/ndlc.c
+++ b/drivers/nfc/st-nci/ndlc.c
@@ -171,6 +171,8 @@ static void llt_ndlc_rcv_queue(struct ll
if ((pcb & PCB_TYPE_MASK) == PCB_TYPE_SUPERVISOR) {
switch (pcb & PCB_SYNC_MASK) {
case PCB_SYNC_ACK:
+ skb = skb_dequeue(&ndlc->ack_pending_q);
+ kfree_skb(skb);
del_timer_sync(&ndlc->t1_timer);
del_timer_sync(&ndlc->t2_timer);
ndlc->t2_active = false;