[PATCH 09/19] Bluetooth: Add Recv RR (P=0)(F=0) for SREJ_SENT state on ERTM

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This finishes the implementation of Recv RR (P=0)(F=0) for the Enhanced
Retransmission Mode on L2CAP.

Signed-off-by: Gustavo F. Padovan <padovan@xxxxxxxxxxxxxx>
Reviewed-by: João Paulo Rechi Vita <jprvita@xxxxxxxxxxxxxx>
---
 net/bluetooth/l2cap.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 2e1884b..4dd130d 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -3509,7 +3509,10 @@ static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, str
 				__mod_retrans_timer();
 
 			pi->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
-			l2cap_ertm_send(sk);
+			if (pi->conn_state & L2CAP_CONN_SREJ_SENT)
+				l2cap_send_ack(pi);
+			else
+				l2cap_ertm_send(sk);
 		}
 		break;
 
-- 
1.6.4.4

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