Re: [PATCH staging] dgnc: remove useless cast on kzalloc()

From: Fengguang Wu
Date: Fri Sep 27 2013 - 01:10:24 EST


On Thu, Sep 26, 2013 at 09:27:57AM -0700, Greg KH wrote:
> On Thu, Sep 26, 2013 at 10:12:23AM +0800, Fengguang Wu wrote:
> > drivers/staging/dgnc/dgnc_driver.c:510:3-7: WARNING: casting value returned by k[cmz]alloc to (char *) is useless.
> > drivers/staging/dgnc/dgnc_driver.c:502:2-19: WARNING: casting value returned by k[cmz]alloc to (struct dgnc_board *) is useless.
> >
> > Casting (void *) value returned by kmalloc is useless
> > as mentioned in Documentation/CodingStyle, Chap 14.
> >
> > Generated by: coccinelle/api/alloc/drop_kmalloc_cast.cocci
> >
> > CC: Lidza Louina <lidza.louina@xxxxxxxxx>
> > CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> > Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
> > ---
> >
> > drivers/staging/dgnc/dgnc_driver.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
>
> As Jingoo sent this a few minutes before you did, and also cleaned up
> another cast that you missed, I've added your signed-off-by to his
> patch, as they were the same (although yours didn't apply and his
> did...)

That'd be good, thanks!

Regards,
Fengguang
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