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Re: [Qemu-devel] Suspicious fall through in qemu_default_pixelformat()


From: Markus Armbruster
Subject: Re: [Qemu-devel] Suspicious fall through in qemu_default_pixelformat()
Date: Tue, 22 Nov 2011 12:52:22 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux)

Stefano Stabellini <address@hidden> writes:

> On Tue, 22 Nov 2011, Markus Armbruster wrote:
>> Case 24 falls through to case 32, which overwrites all of case 24's
>> work.  Looks wrong.  Git blames commit 0da2ea1b "fix endianness problem
>> sharing the videoram buffer".
>> 
>> Patching in a break is easy enough, but since I don't actually
>> understand how the function is used, I have no idea what exactly this
>> fixes.  Stefano, can you help?
>
> You are right, there should be a break statement there.
> However it doesn't matter in practice because the 24 and 32 bit settings
> are the same (amask, ashift and abits don't matter much).

I'll post the obvious patch then.  Thanks!



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