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Re: [Qemu-devel] Re: [FOR 0.12 PATCH 2/4] pci: don't hw_error() when no
From: |
Gleb Natapov |
Subject: |
Re: [Qemu-devel] Re: [FOR 0.12 PATCH 2/4] pci: don't hw_error() when no slot is available. |
Date: |
Fri, 11 Dec 2009 13:03:30 +0200 |
On Fri, Dec 11, 2009 at 12:37:31PM +0200, Michael S. Tsirkin wrote:
> On Thu, Dec 10, 2009 at 09:13:06PM +0200, Gleb Natapov wrote:
> > On Thu, Dec 10, 2009 at 08:04:56PM +0200, Michael S. Tsirkin wrote:
> > > On Thu, Dec 10, 2009 at 03:22:52PM +0200, Gleb Natapov wrote:
> > > > On Thu, Dec 10, 2009 at 02:23:05PM +0200, Michael S. Tsirkin wrote:
> > > > > On Thu, Dec 10, 2009 at 01:19:10PM +0100, Gerd Hoffmann wrote:
> > > > > > Hi,
> > > > > >
> > > > > >>> + if (pci_dev == NULL) {
> > > > > >>> + hw_error("PCI: can't register device\n");
> > > > > >>> + }
> > > > > >>
> > > > > >> Can you please use !pci_dev for these checks?
> > > > > >
> > > > > > Why? IMHO the code is more readable that way. It is easy to miss
> > > > > > a
> > > > > > single '!' character when reading the code, so I tend to write such
> > > > > >
> > > > > > tests in a more verbose fashion.
> > > > > >
> > > > > > cheers,
> > > > > > Gerd
> > > > >
> > > > > Reader has limited short term memory. Don't fill it up with
> > > > > irrelevant detail. In places where it might be confusing,
> > > > > a comment might be appropriate, this is not one of them.
> > > > >
> > > > > C is a terse language. !x is a standard idiom. Let's use it.
> > > > >
> > > > ! is for boolean.
> > >
> > > In which language? Not in C.
> > >
> > In boolean. My point is no need to force your style on everyone
>
> I am not forcing style on anyone - how can I do this? I hacked on pci
> and by now there's no == NULL in pci.c anywhere ;). I will be
> happier if none is added now.
>
> > if it is not in coding style document.
>
> Heh, we don't need to document everything.
>
> > == often much more readable then !.
>
> Matter of taste probably.
>
Exactly! (Or should I say "Exactly=="?)
--
Gleb.
- [Qemu-devel] [FOR 0.12 PATCH 0/4] misc bugfixes, Gerd Hoffmann, 2009/12/10
- [Qemu-devel] [FOR 0.12 PATCH 2/4] pci: don't hw_error() when no slot is available., Gerd Hoffmann, 2009/12/10
- [Qemu-devel] Re: [FOR 0.12 PATCH 2/4] pci: don't hw_error() when no slot is available., Michael S. Tsirkin, 2009/12/10
- [Qemu-devel] Re: [FOR 0.12 PATCH 2/4] pci: don't hw_error() when no slot is available., Gerd Hoffmann, 2009/12/10
- [Qemu-devel] Re: [FOR 0.12 PATCH 2/4] pci: don't hw_error() when no slot is available., Michael S. Tsirkin, 2009/12/10
- Re: [Qemu-devel] Re: [FOR 0.12 PATCH 2/4] pci: don't hw_error() when no slot is available., Gleb Natapov, 2009/12/10
- Re: [Qemu-devel] Re: [FOR 0.12 PATCH 2/4] pci: don't hw_error() when no slot is available., Michael S. Tsirkin, 2009/12/10
- Re: [Qemu-devel] Re: [FOR 0.12 PATCH 2/4] pci: don't hw_error() when no slot is available., Gleb Natapov, 2009/12/10
- Re: [Qemu-devel] Re: [FOR 0.12 PATCH 2/4] pci: don't hw_error() when no slot is available., Michael S. Tsirkin, 2009/12/11
- Re: [Qemu-devel] Re: [FOR 0.12 PATCH 2/4] pci: don't hw_error() when no slot is available.,
Gleb Natapov <=
- Re: [Qemu-devel] Re: [FOR 0.12 PATCH 2/4] pci: don't hw_error() when no slot is available., Alexander Graf, 2009/12/10
[Qemu-devel] [FOR 0.12 PATCH 1/4] pci: don't abort() when trying to hotplug with acpi off., Gerd Hoffmann, 2009/12/10
[Qemu-devel] [FOR 0.12 PATCH 3/4] scsi: fix drive hotplug., Gerd Hoffmann, 2009/12/10
[Qemu-devel] [FOR 0.12 PATCH 4/4] QemuOpts: allow larger option values., Gerd Hoffmann, 2009/12/10
[Qemu-devel] Re: [FOR 0.12 PATCH 0/4] misc bugfixes, Michael S. Tsirkin, 2009/12/10