From: patchwork-bot+bluetooth@kernel.org
To: Arseniy Krasnov <oxffffaa@gmail.com>
Cc: marcel@holtmann.org, luiz.dentz@gmail.com,
linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RESEND PATCH v2] Bluetooth: hci_uart: fix race during initialization
Date: Mon, 03 Feb 2025 21:40:41 +0000 [thread overview]
Message-ID: <173861884154.3508836.6443423049193135714.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <f5ea6c5c-1904-22a4-72f2-d4050878dd26@gmail.com>
Hello:
This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:
On Sat, 1 Feb 2025 19:24:31 +0300 you wrote:
> 'hci_register_dev()' calls power up function, which is executed by
> kworker - 'hci_power_on()'. This function does access to bluetooth chip
> using callbacks from 'hci_ldisc.c', for example 'hci_uart_send_frame()'.
> Now 'hci_uart_send_frame()' checks 'HCI_UART_PROTO_READY' bit set, and
> if not - it fails. Problem is that 'HCI_UART_PROTO_READY' is set after
> 'hci_register_dev()', and there is tiny chance that 'hci_power_on()' will
> be executed before setting this bit. In that case HCI init logic fails.
>
> [...]
Here is the summary with links:
- [RESEND,v2] Bluetooth: hci_uart: fix race during initialization
https://git.kernel.org/bluetooth/bluetooth-next/c/c411c62cc133
You are awesome, thank you!
--
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next prev parent reply other threads:[~2025-02-03 21:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-01 16:24 [RESEND PATCH v2] Bluetooth: hci_uart: fix race during initialization Arseniy Krasnov
2025-02-01 16:56 ` [RESEND,v2] " bluez.test.bot
2025-02-03 21:40 ` patchwork-bot+bluetooth [this message]
-- strict thread matches above, loose matches on Subject: below --
2024-12-17 8:12 [PATCH v2] " Arseniy Krasnov
2025-01-30 18:43 ` [RESEND PATCH " Arseniy Krasnov
2025-02-03 21:40 ` patchwork-bot+bluetooth
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