linux-kernel - Re: [PATCH] vfio-ccw: Fix a build error due to missing include of linux/slab.h

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Date:   Fri, 3 Jul 2020 11:45:27 +0200
From:   Cornelia Huck <cohuck@...hat.com>
To:     Sean Christopherson <sean.j.christopherson@...el.com>
Cc:     Eric Farman <farman@...ux.ibm.com>,
        Vineeth Vijayan <vneethv@...ux.ibm.com>,
        Peter Oberparleiter <oberpar@...ux.ibm.com>,
        Halil Pasic <pasic@...ux.ibm.com>, linux-s390@...r.kernel.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] vfio-ccw: Fix a build error due to missing include of
 linux/slab.h

On Thu,  2 Jul 2020 19:26:28 -0700
Sean Christopherson <sean.j.christopherson@...el.com> wrote:

> Include linux/slab.h to fix a build error due to kfree() being undefined.
> 
> Fixes: 3f02cb2fd9d2d ("vfio-ccw: Wire up the CRW irq and CRW region")
> Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>
> ---
> 
> Encountered this when cross-compiling with a pretty minimal config, didn't
> bother digging into why the error only showed up in my environment.
> 
>  drivers/s390/cio/vfio_ccw_chp.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/s390/cio/vfio_ccw_chp.c b/drivers/s390/cio/vfio_ccw_chp.c
> index a646fc81c872..13b26a1c7988 100644
> --- a/drivers/s390/cio/vfio_ccw_chp.c
> +++ b/drivers/s390/cio/vfio_ccw_chp.c
> @@ -8,6 +8,7 @@
>   *            Eric Farman <farman@...ux.ibm.com>
>   */
>  
> +#include <linux/slab.h>
>  #include <linux/vfio.h>
>  #include "vfio_ccw_private.h"
>  

Thanks, applied.