[libvirt] [PATCH] LXC fix rc handling in lxcVmStart

[Daniel P. Berrange]

On Tue, Oct 13, 2009 at 10:57:13AM +0900, Ryota Ozaki wrote:
> Hi,
> 
> In lxcVmStart we have to set rc = -1 before jumping to the cleanup
> code when a local procedure call fails and the rc is overwritten,
> however, some codes don't observe the rule and so invalid cleanups
> are likely to happen.
> 
> A simple solution for the defect is to add rc = -1 before every
> jumping if needed, however, IMHO, we first should not reuse rc for
> another purpose rather than the return value of lxcVmStart. Instead
> the patch introduces yet another variable for storing only the
> return value of the local procedure calls. By doing so, we don't
> need to care about resetting rc anymore.

ACK, this is a  good idea.

Daniel
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