On Mon, Jan 08, 2018 at 01:45:02PM +0100, haver wrote:
> Hi Markus,
>
> On 2018-01-08 10:41, SF Markus Elfring wrote:
> > From: Markus Elfring <elfr...@users.sourceforge.net>
> > 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 <elfr...@users.sourceforge.net>
> > ---
> > 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.
The kmalloc() error messages are enabled by default. See warn_alloc().
The stack trace from this specific call site is going to be very clear
what went wrong.
> So why
> do
> you suggest to remove it?
>
It's a checkpatch warning and a small memory savings.
regards,
dan carpenter
