[libvirt] [PATCH] qemu: fix memory leak in virDomainGetVcpus

[Wen Congyang]

At 04/02/2012 01:33 PM, Laine Stump Wrote:
> https://bugzilla.redhat.com/show_bug.cgi?id=808979
> 
> The leak is really in virProcessInfoGetAffinity, as shown in the
> valgrind output given in the above bug report - it calls CPU_ALLOC(),
> but then fails to call CPU_FREE().
> 
> This leak has existed in every version of libvirt since 0.7.5.
> ---
>  src/util/processinfo.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/src/util/processinfo.c b/src/util/processinfo.c
> index b1b1737..af19723 100644
> --- a/src/util/processinfo.c
> +++ b/src/util/processinfo.c
> @@ -1,5 +1,5 @@
>  /*
> - * Copyright (C) 2009-2010 Red Hat, Inc.
> + * Copyright (C) 2009-2010, 2012 Red Hat, Inc.
>   *
>   * This library is free software; you can redistribute it and/or
>   * modify it under the terms of the GNU Lesser General Public
> @@ -140,6 +140,7 @@ realloc:
>      for (i = 0 ; i < maxcpu ; i++)
>          if (CPU_ISSET_S(i, masklen, mask))
>              VIR_USE_CPU(map, i);
> +    CPU_FREE(mask);
>  # else
>      /* Legacy method uses a fixed size cpu mask, only allows upto 1024 cpus */
>      cpu_set_t mask;

ACK