linux-kernel - [PATCH] Bluetooth: hci_core: lookup pa sync need check BIG sync state

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Message-Id: <20250702-pa_sync-v1-1-7a96f5c2d012@amlogic.com>
Date: Wed, 02 Jul 2025 09:18:42 +0800
From: Yang Li via B4 Relay <devnull+yang.li.amlogic.com@...nel.org>
To: Marcel Holtmann <marcel@...tmann.org>, 
 Johan Hedberg <johan.hedberg@...il.com>, 
 Luiz Augusto von Dentz <luiz.dentz@...il.com>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Simon Horman <horms@...nel.org>
Cc: linux-bluetooth@...r.kernel.org, netdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Yang Li <yang.li@...ogic.com>
Subject: [PATCH] Bluetooth: hci_core: lookup pa sync need check BIG sync
 state

From: Yang Li <yang.li@...ogic.com>

Ignore the big sync connections, we are looking for the PA
sync connection that was created as a result of the PA sync
established event.

Signed-off-by: Yang Li <yang.li@...ogic.com>
---
 include/net/bluetooth/hci_core.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 3ce1fb6f5822..646b0c5fd7a5 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1400,6 +1400,13 @@ hci_conn_hash_lookup_pa_sync_handle(struct hci_dev *hdev, __u16 sync_handle)
 		if (c->type != BIS_LINK)
 			continue;

+		/* Ignore the big sync connections, we are looking
+		 * for the PA sync connection that was created as
+		 * a result of the PA sync established event.
+		 */
+		if (test_bit(HCI_CONN_BIG_SYNC, &c->flags))
+			continue;
+
 		/* Ignore the listen hcon, we are looking
 		 * for the child hcon that was created as
 		 * a result of the PA sync established event.

---
base-commit: 3bc46213b81278f3a9df0324768e152de71eb9fe
change-id: 20250701-pa_sync-2fc7fc9f592c

Best regards,
-- 
Yang Li <yang.li@...ogic.com>