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From:   Luiz Augusto von Dentz <luiz.dentz@gmail.com>
To:     linux-bluetooth@vger.kernel.org
Subject: [PATCH v2] Bluetooth: SMP: Fix crash when receiving new connection when debug is enabled
Date:   Mon, 14 Jun 2021 10:46:44 -0700
Message-Id: <20210614174644.1259909-1-luiz.dentz@gmail.com>
MIME-Version: 1.0
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From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

When receiving a new connection pchan->conn won't be initialized so the
code cannot use bt_dev_dbg as the pointer to hci_dev won't be
accessible.

Fixes: 2e1614f7d61e4 ("Bluetooth: SMP: Convert BT_ERR/BT_DBG to bt_dev_err/bt_dev_dbg")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
 net/bluetooth/smp.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 53f984d11bc1..11f853d0500f 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -3231,7 +3231,7 @@ static inline struct l2cap_chan *smp_new_conn_cb(struct l2cap_chan *pchan)
 {
 	struct l2cap_chan *chan;
 
-	bt_dev_dbg(pchan->conn->hcon->hdev, "pchan %p", pchan);
+	BT_DBG("pchan %p", pchan);
 
 	chan = l2cap_chan_create();
 	if (!chan)
@@ -3252,7 +3252,7 @@ static inline struct l2cap_chan *smp_new_conn_cb(struct l2cap_chan *pchan)
 	 */
 	atomic_set(&chan->nesting, L2CAP_NESTING_SMP);
 
-	bt_dev_dbg(pchan->conn->hcon->hdev, "created chan %p", chan);
+	BT_DBG("created chan %p", chan);
 
 	return chan;
 }
@@ -3356,7 +3356,7 @@ static void smp_del_chan(struct l2cap_chan *chan)
 {
 	struct smp_dev *smp;
 
-	bt_dev_dbg(chan->conn->hcon->hdev, "chan %p", chan);
+	BT_DBG("chan %p", chan);
 
 	smp = chan->data;
 	if (smp) {
-- 
2.31.1