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From: | Richard Henderson |
Subject: | Re: [Qemu-devel] [PATCH 4/4] fix 0 sized write syscall |
Date: | Fri, 26 Mar 2010 09:07:32 -0700 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.8) Gecko/20100301 Fedora/3.0.3-1.fc12 Thunderbird/3.0.3 |
On 03/26/2010 08:25 AM, Riku Voipio wrote: > + if (len == 0) { > + return 0; > + } This part is ok. > > - if (start + len - 1 < start) { > + if (start + len < start) { This part re-introduces the bug I fixed. start = 0xffffff00 len = 256 should succeed, and it won't reverting the (len-1) change. r~
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