Re: [PATCH 2/4] parallels: fix memory allocation

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On Wed, Sep 26, 2012 at 09:00:06AM -0600, Eric Blake wrote:
> On 09/26/2012 07:01 AM, Daniel P. Berrange wrote:
> > On Wed, Sep 26, 2012 at 04:53:07PM +0400, Dmitry Guryanov wrote:
> 
> >>> It is actually preferrable to use VIR_EXPAND_N here, eg
> >>>
> >>>      if (VIR_EXPAND_N(def->videos, def->nvideos, 1) < 0)
> >>>          goto no_memory;
> >>>
> >>>      def->videos[def->nvideos - 1] = video;
> >>>
> >>> NB VIR_EXPAND_N actually changes the 'nvideos' param for you
> >>>
> >>
> >> VIR_EXPAND_N expects size_t, but fields storing numbers of devices in
> >> virDomainDef have type int, so the error occur:
> >>
> >> parallels/parallels_driver.c:280: error: passing argument 3 of 'virExpandN' from incompatible pointer type
> >> ../src/util/memory.h:55: note: expected 'size_t *' but argument is of type 'int *'
> 
> That just says you should be using size_t in your struct, rather than
> int.  But like Daniel says, this can be a later cleanup.

NB, the flaw wasn't in parallels code - it is actually in our common
domain_conf.h file


Daniel
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