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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Guenter Roeck <linux@roeck-us.net>,
	Kai-Heng Feng <kai.heng.feng@canonical.com>,
	Marcel Holtmann <marcel@holtmann.org>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.10 21/30] Revert "Bluetooth: Shutdown controller after workqueues are flushed or cancelled"
Date: Fri,  6 Aug 2021 10:16:59 +0200	[thread overview]
Message-ID: <20210806081113.842771022@linuxfoundation.org> (raw)
In-Reply-To: <20210806081113.126861800@linuxfoundation.org>

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This reverts commit 60789afc02f592b8d91217b60930e7a76271ae07 which is
commit 0ea9fd001a14ebc294f112b0361a4e601551d508 upstream.

It has been reported to have problems:
	https://lore.kernel.org/linux-bluetooth/8735ryk0o7.fsf@baylibre.com/

Reported-by: Guenter Roeck <linux@roeck-us.net>
Cc: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Sasha Levin <sashal@kernel.org>
Link: https://lore.kernel.org/r/efee3a58-a4d2-af22-0931-e81b877ab539@roeck-us.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/bluetooth/hci_core.c |   16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1713,6 +1713,14 @@ int hci_dev_do_close(struct hci_dev *hde
 
 	BT_DBG("%s %p", hdev->name, hdev);
 
+	if (!hci_dev_test_flag(hdev, HCI_UNREGISTER) &&
+	    !hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
+	    test_bit(HCI_UP, &hdev->flags)) {
+		/* Execute vendor specific shutdown routine */
+		if (hdev->shutdown)
+			hdev->shutdown(hdev);
+	}
+
 	cancel_delayed_work(&hdev->power_off);
 
 	hci_request_cancel_all(hdev);
@@ -1788,14 +1796,6 @@ int hci_dev_do_close(struct hci_dev *hde
 		clear_bit(HCI_INIT, &hdev->flags);
 	}
 
-	if (!hci_dev_test_flag(hdev, HCI_UNREGISTER) &&
-	    !hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
-	    test_bit(HCI_UP, &hdev->flags)) {
-		/* Execute vendor specific shutdown routine */
-		if (hdev->shutdown)
-			hdev->shutdown(hdev);
-	}
-
 	/* flush cmd  work */
 	flush_work(&hdev->cmd_work);
 



  parent reply	other threads:[~2021-08-06  8:22 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-06  8:16 [PATCH 5.10 00/30] 5.10.57-rc1 review Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 01/30] drm/i915: Revert "drm/i915/gem: Asynchronous cmdparser" Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 02/30] Revert "drm/i915: Propagate errors on awaiting already signaled fences" Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 03/30] btrfs: fix race causing unnecessary inode logging during link and rename Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 04/30] btrfs: fix lost inode on log replay after mix of fsync, rename and inode eviction Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 05/30] regulator: rtmv20: Fix wrong mask for strobe-polarity-high Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 06/30] regulator: rt5033: Fix n_voltages settings for BUCK and LDO Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 07/30] spi: stm32h7: fix full duplex irq handler handling Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 08/30] ASoC: tlv320aic31xx: fix reversed bclk/wclk master bits Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 09/30] r8152: Fix potential PM refcount imbalance Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 10/30] qed: fix possible unpaired spin_{un}lock_bh in _qed_mcp_cmd_and_union() Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 11/30] ASoC: rt5682: Fix the issue of garbled recording after powerd_dbus_suspend Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 12/30] net: Fix zero-copy head len calculation Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 13/30] ASoC: ti: j721e-evm: Fix unbalanced domain activity tracking during startup Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 14/30] ASoC: ti: j721e-evm: Check for not initialized parent_clk_id Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 15/30] efi/mokvar: Reserve the table only if it is in boot services data Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 16/30] nvme: fix nvme_setup_command metadata trace event Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 17/30] drm/amd/display: Fix comparison error in dcn21 DML Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 18/30] drm/amd/display: Fix max vstartup calculation for modes with borders Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 19/30] ACPI: fix NULL pointer dereference Greg Kroah-Hartman
2021-08-06  8:16 ` [PATCH 5.10 20/30] Revert "spi: mediatek: fix fifo rx mode" Greg Kroah-Hartman
2021-08-06  8:16 ` Greg Kroah-Hartman [this message]
2021-08-06  8:17 ` [PATCH 5.10 22/30] firmware: arm_scmi: Ensure drivers provide a probe function Greg Kroah-Hartman
2021-08-06  8:17 ` [PATCH 5.10 23/30] firmware: arm_scmi: Add delayed response status check Greg Kroah-Hartman
2021-08-06  8:17 ` [PATCH 5.10 24/30] Revert "watchdog: iTCO_wdt: Account for rebooting on second timeout" Greg Kroah-Hartman
2021-08-06  8:17 ` [PATCH 5.10 25/30] selftests/bpf: Add a test for ptr_to_map_value on stack for helper access Greg Kroah-Hartman
2021-08-06  8:17 ` [PATCH 5.10 26/30] selftest/bpf: Adjust expected verifier errors Greg Kroah-Hartman
2021-08-06  8:17 ` [PATCH 5.10 27/30] bpf, selftests: Adjust few selftest result_unpriv outcomes Greg Kroah-Hartman
2021-08-06  8:17 ` [PATCH 5.10 28/30] bpf: Update selftests to reflect new error states Greg Kroah-Hartman
2021-08-06  8:17 ` [PATCH 5.10 29/30] bpf, selftests: Adjust few selftest outcomes wrt unreachable code Greg Kroah-Hartman
2021-08-06  8:17 ` [PATCH 5.10 30/30] selftest/bpf: Verifier tests for var-off access Greg Kroah-Hartman
2021-08-06 12:59 ` [PATCH 5.10 00/30] 5.10.57-rc1 review Fox Chen
2021-08-06 13:26 ` Pavel Machek
2021-08-06 18:59 ` Guenter Roeck
2021-08-07  6:42 ` Rudi Heitbaum
2021-08-07 10:39 ` Sudip Mukherjee
2021-08-07 18:33 ` Naresh Kamboju
2021-08-07 19:51 ` Aakash Hemadri

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