[Crash-utility] [PATCH] memory_driver: Fix memory driver module build with Linux 5.4 and later

[Bhupesh Sharma]

Hi Kazu,

On Mon, Nov 9, 2020 at 11:42 AM HAGIO KAZUHITO(萩尾　一仁)
<k-hagio-ab at nec.com> wrote:
>
> With Linux 5.4 and later kernels that contain commit
> 7e35b42591c058b91282f95ce3b2cf0c05ffe93d ("kbuild: remove SUBDIRS
> support"), "make" command in the memory_driver directory doesn't
> build crash memory driver module as expected.  Add "M=" to fix.
>
> Signed-off-by: Kazuhito Hagio <k-hagio-ab at nec.com>
> ---
>  memory_driver/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/memory_driver/Makefile b/memory_driver/Makefile
> index e84afe98ff24..b494aa3cd184 100644
> --- a/memory_driver/Makefile
> +++ b/memory_driver/Makefile
> @@ -10,6 +10,6 @@
>  #
>  obj-m := crash.o
>  all:
> -       make -C /lib/modules/`uname -r`/build SUBDIRS=${PWD} modules
> +       make -C /lib/modules/`uname -r`/build M=${PWD} SUBDIRS=${PWD} modules
>  clean:
>         rm -f *.mod.c *.ko *.o Module.*

LGTM, so:

Acked-by: Bhupesh Sharma <bhsharma at redhat.com>

Thanks.