From: Gerd Hoffmann <kraxel@redhat.com>
To: Juan Quintela <quintela@trasno.org>
Cc: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [PATCH 5/8] ide/pci: convert to qdev.
Date: Mon, 14 Sep 2009 09:09:00 +0200 [thread overview]
Message-ID: <4AADEC0C.6030906@redhat.com> (raw)
In-Reply-To: <m3bplh2js1.fsf@neno.mitica>
Hi,
>> Sure, you have to dereference the pointer. I still don't see a
>> problem here. You seem to think this is fragile. Why do you think
>> so?
>
> Pointer not initialized, it is NULL, point nowhere, etc, etc.
> No pointer, you don't need to even think about all that kind of porblems/checks.
NULL can easily be checked for, and that should also catch the "not
initialized" case. Pointing into nowhere is a clear bug which needs
fixing anyway.
> uint8_t *foo[4]
> is a different beast ... how do you declare a pointer to one array of 4
> uint8_t?
This isn't a pointer to an array, it is a array of pointers ...
cheers,
Gerd
next prev parent reply other threads:[~2009-09-14 7:09 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-11 12:32 [Qemu-devel] [PATCH 0/8] ide: convert to qdev Gerd Hoffmann
2009-09-11 12:32 ` [Qemu-devel] [PATCH 1/8] qdev/pci: add pci_create_noinit() Gerd Hoffmann
2009-09-11 14:14 ` Markus Armbruster
2009-09-11 14:28 ` Gerd Hoffmann
2009-09-11 14:57 ` Markus Armbruster
2009-09-11 12:32 ` [Qemu-devel] [PATCH 2/8] support media=cdrom for if=none Gerd Hoffmann
2009-09-11 12:32 ` [Qemu-devel] [PATCH 3/8] split away drive init from ide_init2() Gerd Hoffmann
2009-09-11 14:27 ` Markus Armbruster
2009-09-11 14:36 ` Gerd Hoffmann
2009-09-11 12:32 ` [Qemu-devel] [PATCH 4/8] ide/qdev: add ide bus Gerd Hoffmann
[not found] ` <m3fxat8u80.fsf@neno.mitica>
2009-09-11 14:10 ` [Qemu-devel] " Gerd Hoffmann
2009-09-11 14:54 ` [Qemu-devel] " Markus Armbruster
2009-09-11 15:01 ` Gerd Hoffmann
2009-09-11 12:32 ` [Qemu-devel] [PATCH 5/8] ide/pci: convert to qdev Gerd Hoffmann
[not found] ` <m3bplh8u13.fsf@neno.mitica>
2009-09-11 14:13 ` [Qemu-devel] " Gerd Hoffmann
[not found] ` <m3my517dni.fsf@neno.mitica>
2009-09-11 14:58 ` Gerd Hoffmann
[not found] ` <m3y6ol5x64.fsf@neno.mitica>
2009-09-11 19:16 ` Gerd Hoffmann
[not found] ` <m3bplh2js1.fsf@neno.mitica>
2009-09-14 7:09 ` Gerd Hoffmann [this message]
2009-09-11 15:21 ` [Qemu-devel] " Markus Armbruster
2009-09-14 6:44 ` Gerd Hoffmann
2009-09-11 12:32 ` [Qemu-devel] [PATCH 6/8] ide/isa: " Gerd Hoffmann
2009-09-11 12:32 ` [Qemu-devel] [PATCH 7/8] isa: refine irq reservations Gerd Hoffmann
2009-09-11 12:32 ` [Qemu-devel] [PATCH 8/8] unbreak ppc/prep Gerd Hoffmann
2009-09-11 14:31 ` [Qemu-devel] Re: [PATCH 0/8] ide: convert to qdev Juan Quintela
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