Re: Patch "firewire: core: fix overlooked update of subsystem ABI version" has been added to the 6.1/5.15/5.10/5.4-stable tree

[Takashi Sakamoto <o-takashi@sakamocchi.jp>]

Hi Sasha,

As the commit message notice, this patch should not be applied to kernel
v6.4 or before. I would like you to exclude this from your queue for the
following versions:

* Patch "firewire: core: fix overlooked update of subsystem ABI version" has been added to the 5.4-stable tree
* Patch "firewire: core: fix overlooked update of subsystem ABI version" has been added to the 5.10-stable tree
* Patch "firewire: core: fix overlooked update of subsystem ABI version" has been added to the 5.15-stable tree
* Patch "firewire: core: fix overlooked update of subsystem ABI version" has been added to the 6.1-stable tree


Thankss

Takashi Sakamoto

On Thu, Sep 25, 2025 at 07:33:23AM -0400, Sasha Levin wrote:
> This is a note to let you know that I've just added the patch titled
> 
>     firewire: core: fix overlooked update of subsystem ABI version
> 
> to the 6.1-stable tree which can be found at:
>     http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
> 
> The filename of the patch is:
>      firewire-core-fix-overlooked-update-of-subsystem-abi.patch
> and it can be found in the queue-6.1 subdirectory.
> 
> If you, or anyone else, feels it should not be added to the stable tree,
> please let <stable@vger.kernel.org> know about it.
> 
> 
> 
> commit bbb4ab1d7b1ad7fff7a85aa9144d0edc5a70bacc
> Author: Takashi Sakamoto <o-takashi@sakamocchi.jp>
> Date:   Sat Sep 20 11:51:48 2025 +0900
> 
>     firewire: core: fix overlooked update of subsystem ABI version
>     
>     [ Upstream commit 853a57ba263adfecf4430b936d6862bc475b4bb5 ]
>     
>     In kernel v6.5, several functions were added to the cdev layer. This
>     required updating the default version of subsystem ABI up to 6, but
>     this requirement was overlooked.
>     
>     This commit updates the version accordingly.
>     
>     Fixes: 6add87e9764d ("firewire: cdev: add new version of ABI to notify time stamp at request/response subaction of transaction#")
>     Link: https://lore.kernel.org/r/20250920025148.163402-1-o-takashi@sakamocchi.jp
>     Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
>     Signed-off-by: Sasha Levin <sashal@kernel.org>
> 
> diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
> index 958aa4662ccb0..5cb0059f57e6b 100644
> --- a/drivers/firewire/core-cdev.c
> +++ b/drivers/firewire/core-cdev.c
> @@ -39,7 +39,7 @@
>  /*
>   * ABI version history is documented in linux/firewire-cdev.h.
>   */
> -#define FW_CDEV_KERNEL_VERSION			5
> +#define FW_CDEV_KERNEL_VERSION			6
>  #define FW_CDEV_VERSION_EVENT_REQUEST2		4
>  #define FW_CDEV_VERSION_ALLOCATE_REGION_END	4
>  #define FW_CDEV_VERSION_AUTO_FLUSH_ISO_OVERFLOW	5