Messages in this thread | | | From | Laurent Pinchart <> | Subject | Re: [PATCH] [media] uvcvideo: Use kcalloc instead of kzalloc to allocate array | Date | Mon, 12 Dec 2011 00:41:54 +0100 |
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Hi Thomas,
Thanks for the patch.
On Tuesday 29 November 2011 22:08:00 Thomas Meyer wrote: > The advantage of kcalloc is, that will prevent integer overflows which > could result from the multiplication of number of elements and size and it > is also a bit nicer to read. > > The semantic patch that makes this change is available > in https://lkml.org/lkml/2011/11/25/107 > > Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Should I take the patch in my tree, or do you plan to push several similar patches directly in one go ?
> --- > > diff -u -p a/drivers/media/video/uvc/uvc_ctrl.c > b/drivers/media/video/uvc/uvc_ctrl.c --- > a/drivers/media/video/uvc/uvc_ctrl.c 2011-11-28 19:36:47.613437745 +0100 > +++ b/drivers/media/video/uvc/uvc_ctrl.c 2011-11-28 19:58:26.309317018 > +0100 @@ -1861,7 +1861,7 @@ int uvc_ctrl_init_device(struct uvc_devi > if (ncontrols == 0) > continue; > > - entity->controls = kzalloc(ncontrols * sizeof(*ctrl), > + entity->controls = kcalloc(ncontrols, sizeof(*ctrl), > GFP_KERNEL); > if (entity->controls == NULL) > return -ENOMEM;
-- Regards,
Laurent Pinchart
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