Re: [PATCH] Reduce nr of ptr derefs in drivers/pci/hotplug/pciehp_core.c

From: Jesper Juhl
Date: Sun Dec 11 2005 - 08:18:31 EST


On 12/11/05, Gregor Jasny <gjasny@xxxxxx> wrote:
> Jesper Juhl schrieb:
> > --- linux-2.6.15-rc5-git1-orig/drivers/pci/hotplug/pciehp_core.c 2005-12-04 18:48:04.000000000 +0100
> > +++ linux-2.6.15-rc5-git1/drivers/pci/hotplug/pciehp_core.c 2005-12-11 05:46:58.000000000 +0100
> @@ -114,59 +117,66 @@ static int init_slots(struct controller
> slot_number = ctrl->first_slot;
>
> while (number_of_slots) {
> - new_slot = kmalloc(sizeof(*new_slot), GFP_KERNEL);
> - if (!new_slot)
> + slot = kmalloc(sizeof(*slot), GFP_KERNEL);
> + if (!slot)
> goto error;
>
> - memset(new_slot, 0, sizeof(struct slot));
> - new_slot->hotplug_slot =
> - kmalloc(sizeof(*(new_slot->hotplug_slot)),
> + memset(slot, 0, sizeof(struct slot));
> + slot->hotplug_slot =
> + kmalloc(sizeof(*(slot->hotplug_slot)),
>
> Just one suggestion:
>
> In your patches I've seen a lot of kmalloc + memset calls. Perhaps you
> can convert them to kzalloc? This would improve readability even more.
>

Good idea, but I think I'll do that as a seperate round of patches at
a later date. Added to my todo list. Thanks.

--
Jesper Juhl <jesper.juhl@xxxxxxxxx>
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