[libvirt] [PATCH] conf: Don't free uninitialized pointer

Michal Privoznik mprivozn at redhat.com
Fri Nov 4 08:48:54 UTC 2011


On 04.11.2011 09:33, Jiri Denemark wrote:
> This causes libvirtd to crash when both <boot dev='...'/> and <boot
> order='...'/> are used in one domain XML. Introduced by
> 5fa3d775a9f8cdb3423373eb084219aaf778df11
> ---
>  src/conf/domain_conf.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index 238edfd..a85f837 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -6430,7 +6430,8 @@ virDomainDefParseBootXML(xmlXPathContextPtr ctxt,
>  {
>      xmlNodePtr *nodes = NULL;
>      int i, n;
> -    char *bootstr, *useserial;
> +    char *bootstr;
> +    char *useserial = NULL;
>      int ret = -1;
>      unsigned long deviceBoot, serialPorts;
>  

ACK,

other solution would be to VIR_FREE(useserial) in if(useserial) {} like
we do for bootstr; But that is just cosmetic not a show stopper.

Michal




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