NFC: Avoid falling back to SYMM when sk is NULL
In some cases (SNL, DISC, DM) we need to send an LLCP skbs without
having a sock owning it. I frames are an exception here since
they may be requeued to the llcp_sock queue.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index cc10d07..71cc8af 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -610,7 +610,10 @@
if (skb != NULL) {
sk = skb->sk;
llcp_sock = nfc_llcp_sock(sk);
- if (llcp_sock != NULL) {
+
+ if (llcp_sock == NULL && nfc_llcp_ptype(skb) == LLCP_PDU_I) {
+ nfc_llcp_send_symm(local->dev);
+ } else {
int ret;
pr_debug("Sending pending skb\n");
@@ -629,8 +632,6 @@
skb_queue_tail(&llcp_sock->tx_pending_queue,
skb);
}
- } else {
- nfc_llcp_send_symm(local->dev);
}
} else {
nfc_llcp_send_symm(local->dev);