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NFC: Handle RSET in SHDLC_CONNECTING state

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As queue_work() does not guarantee immediate execution of sm_work it
can happen in crossover RSET usecase that connect timer will constantly
change the shdlc state from NEGOTIATING to CONNECTING before shdlc has
chance to handle incoming frame.

Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com>
Acked-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Waldemar Rymarkiewicz 2012-09-20 08:59:11 +02:00 committed by Samuel Ortiz
parent 96e324024b
commit 9010e39f50
1 changed files with 2 additions and 1 deletions
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3
net/nfc/hci/llc_shdlc.c
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@ -414,7 +414,8 @@ static void llc_shdlc_rcv_u_frame(struct llc_shdlc *shdlc,
switch (u_frame_modifier) {
case U_FRAME_RSET:
if (shdlc->state == SHDLC_NEGOCIATING) {
if ((shdlc->state == SHDLC_NEGOCIATING) ||
(shdlc->state == SHDLC_CONNECTING)) {
/* we sent RSET, but chip wants to negociate */
if (skb->len > 0)
w = skb->data[0];