Re: [PATCH 1/3] GenWQE: Delete an error message for a failed memory allocation in genwqe_user_vmap()

[haver]

Hi Markus,

On 2018-01-08 10:41, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Mon, 8 Jan 2018 09:37:23 +0100
>
> Omit an extra message for a memory allocation failure in this function.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> ---
>  drivers/misc/genwqe/card_utils.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/misc/genwqe/card_utils.c 
> b/drivers/misc/genwqe/card_utils.c
> index 8f2e6442d88b..55c389a9e7d7 100644
> --- a/drivers/misc/genwqe/card_utils.c
> +++ b/drivers/misc/genwqe/card_utils.c
> @@ -593,7 +593,6 @@ int genwqe_user_vmap(struct genwqe_dev *cd, struct
> dma_mapping *m, void *uaddr,
>  			       sizeof(struct page *) + sizeof(dma_addr_t),
>  			       GFP_KERNEL);
>  	if (!m->page_list) {
> -		dev_err(&pci_dev->dev, "err: alloc page_list failed\n");

Are there different printouts which cover this? I mean the debug 
printout is not
appearing all the time, it must be enabled, if I remember correctly. So 
why do
you suggest to remove it?

>  		m->nr_pages = 0;
>  		m->u_vaddr = NULL;
>  		m->size = 0;	/* mark unused and not added */

Regards

Frank