From: Thomas Meyer Date: Tue, 29 Nov 2011 20:08:00 +0000 (-0300) Subject: [media] uvcvideo: Use kcalloc instead of kzalloc to allocate array X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d0d97488dd1e8131ac9d8f7d3487c355f4bf9d72;p=linux-beck.git [media] uvcvideo: Use kcalloc instead of kzalloc to allocate array 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 Acked-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c index 3e849d977bd4..0efd3b10b353 100644 --- a/drivers/media/video/uvc/uvc_ctrl.c +++ b/drivers/media/video/uvc/uvc_ctrl.c @@ -1874,7 +1874,7 @@ int uvc_ctrl_init_device(struct uvc_device *dev) if (ncontrols == 0) continue; - entity->controls = kzalloc(ncontrols * sizeof(*ctrl), + entity->controls = kcalloc(ncontrols, sizeof(*ctrl), GFP_KERNEL); if (entity->controls == NULL) return -ENOMEM;