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Re: [Qemu-devel] [PATCH v2] Don't allow multiwrites against a block devi


From: Markus Armbruster
Subject: Re: [Qemu-devel] [PATCH v2] Don't allow multiwrites against a block device without underlying medium
Date: Wed, 30 Mar 2011 09:34:38 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)

I think this (commit 301db7c2) should be cherry-picked into stable-0.14.

Ryan Harper <address@hidden> writes:

> If the block device has been closed, we no longer have a medium to submit
> IO against, check for this before submitting io.  This prevents a segfault
> further in the code where we dereference elements of the block driver.
>
> Signed-off-by: Ryan Harper <address@hidden>



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