Re: [PATCH 4/4] binder: fix max_thread type inconsistency

[Greg Kroah-Hartman]

On Wed, Apr 17, 2024 at 07:13:44PM +0000, Carlos Llamas wrote:
> The type defined for the BINDER_SET_MAX_THREADS ioctl was changed from
> size_t to __u32 in order to avoid incompatibility issues between 32 and
> 64-bit kernels. However, the internal types used to copy from user and
> store the value were never updated. Use u32 to fix the inconsistency.
> 
> Fixes: a9350fc859ae ("staging: android: binder: fix BINDER_SET_MAX_THREADS declaration")
> Reported-by: Arve Hjønnevåg <arve@xxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Carlos Llamas <cmllamas@xxxxxxxxxx>
> ---
>  drivers/android/binder.c          | 2 +-
>  drivers/android/binder_internal.h | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)

Why does only patch 4/4 need to go into the tree now, and as a stable
backport, but the first 3 do not?  Shouldn't this be two different
series of patches, one 3 long, and one 1 long, to go to the different
branches (next and linus)?

thanks,

greg k-h