Purge data added by lower layers (len and crc) in the head and tail of the frame
during initial send. Now, the frame is correct to be resent.
Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@xxxxxxxxx>
---
net/nfc/hci/shdlc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/net/nfc/hci/shdlc.c b/net/nfc/hci/shdlc.c
index 8a5f034..30e353e 100644
--- a/net/nfc/hci/shdlc.c
+++ b/net/nfc/hci/shdlc.c
@@ -241,8 +241,9 @@ static void nfc_shdlc_requeue_ack_pending(struct nfc_shdlc *shdlc)
pr_debug("ns reset to %d\n", shdlc->dnr);
while ((skb = skb_dequeue_tail(&shdlc->ack_pending_q))) {
- skb_pull(skb, 2); /* remove len+control */
- skb_trim(skb, skb->len - 2); /* remove crc */
+ /* remove client head + shdlc control field */
+ skb_pull(skb, shdlc->client_headroom + 1);
+ skb_trim(skb, skb->len - shdlc->client_tailroom);
skb_queue_head(&shdlc->send_q, skb);
}
shdlc->ns = shdlc->dnr;
--
1.7.10
--
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