linux-kernel - Re: [PATCH v1] Bluetooth: btnxpuart: No need to check the received bootloader signature

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Message-Id: <168081482061.2619.11741204657524521970.git-patchwork-notify@kernel.org>
Date:   Thu, 06 Apr 2023 21:00:20 +0000
From:   patchwork-bot+bluetooth@...nel.org
To:     Neeraj Sanjay Kale <neeraj.sanjaykale@....com>
Cc:     marcel@...tmann.org, johan.hedberg@...il.com, luiz.dentz@...il.com,
        linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        amitkumar.karwar@....com, rohit.fule@....com, sherry.sun@....com
Subject: Re: [PATCH v1] Bluetooth: btnxpuart: No need to check the received
 bootloader signature

Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@...el.com>:

On Mon,  3 Apr 2023 17:54:30 +0530 you wrote:
> We can never assume the uart will deliver a complete packet to the BT
> layer at once, the expected packet may be divided into several parts by
> uart as uart doesn't know the received packet size, the received data
> count may mismatch with the expected packet size, so here
> is_valid_bootloader_signature() check may always return false.
> 
> Even we remove the count check in is_valid_bootloader_signature(), then
> the first part of the data which includes the packet type can pass the
> is_valid_bootloader_signature() check, but the remaining parts don't
> have the packet type data still cannot pass the check, here return
> directly will cause the data loss.
> 
> [...]

Here is the summary with links:
  - [v1] Bluetooth: btnxpuart: No need to check the received bootloader signature
    https://git.kernel.org/bluetooth/bluetooth-next/c/b1ff41fd0ee6

You are awesome, thank you!
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