linux-kernel - [PATCH 5.8 132/186] Bluetooth: Return NOTIFY_DONE for hci_suspend

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Date:   Tue,  8 Sep 2020 17:24:34 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Max Chou <max.chou@...ltek.com>,
        Marcel Holtmann <marcel@...tmann.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.8 132/186] Bluetooth: Return NOTIFY_DONE for hci_suspend_notifier

From: Max Chou <max.chou@...ltek.com>

[ Upstream commit 24b065727ceba53cc5bec0e725672417154df24f ]

The original return is NOTIFY_STOP, but notifier_call_chain would stop
the future call for register_pm_notifier even registered on other Kernel
modules with the same priority which value is zero.

Signed-off-by: Max Chou <max.chou@...ltek.com>
Signed-off-by: Marcel Holtmann <marcel@...tmann.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 net/bluetooth/hci_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 41fba93d857a6..fc28dc201b936 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3370,7 +3370,7 @@ static int hci_suspend_notifier(struct notifier_block *nb, unsigned long action,
 		bt_dev_err(hdev, "Suspend notifier action (%lu) failed: %d",
 			   action, ret);
 
-	return NOTIFY_STOP;
+	return NOTIFY_DONE;
 }
 
 /* Alloc HCI device */
-- 
2.25.1