Re: [RFC PATCH v1 01/10] s390/cio: Fix cleanup of pfn_array alloc failure

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On Fri,  9 Nov 2018 03:39:28 +0100
Eric Farman <farman@xxxxxxxxxxxxx> wrote:

> If pfn_array_alloc fails somehow, we need to release the pfn_array_table
> that was malloc'd earlier.
> 
> Signed-off-by: Eric Farman <farman@xxxxxxxxxxxxx>
> ---
>  drivers/s390/cio/vfio_ccw_cp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c
> index fd77e46eb3b2..ef5ab45d94b3 100644
> --- a/drivers/s390/cio/vfio_ccw_cp.c
> +++ b/drivers/s390/cio/vfio_ccw_cp.c
> @@ -528,7 +528,7 @@ static int ccwchain_fetch_direct(struct ccwchain *chain,
>  
>  	ret = pfn_array_alloc_pin(pat->pat_pa, cp->mdev, ccw->cda, ccw->count);
>  	if (ret < 0)
> -		goto out_init;
> +		goto out_unpin;
>  
>  	/* Translate this direct ccw to a idal ccw. */
>  	idaws = kcalloc(ret, sizeof(*idaws), GFP_DMA | GFP_KERNEL);

Thanks, applied.



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