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From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] [PATCH 06/16] nbd: do not block on partial reply header reads |
Date: | Mon, 16 Jan 2017 14:31:08 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 |
On 16/01/2017 13:52, Fam Zheng wrote: > + /* Kick the read_reply_co to get the next reply. */ > + aio_co_wake(s->read_reply_co); > > Can't s->read_reply_co be NULL? nbd_read_reply_entry unsets it. (Surprisingly > this file is rather unfamiliar to me, it's possible I'm missing something.) Yes, that can happen depending on how the coroutines are scheduled when the server goes down. Paolo
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