[libvirt] [PATCH] vbox: fix compilation error
Eric Blake
eblake at redhat.com
Tue Jun 10 17:15:04 UTC 2014
On 06/10/2014 11:10 AM, Roman Bogorodskiy wrote:
> clang complains about possibly uninitialized variable:
>
> vbox/vbox_snapshot_conf.c:1355:9: error: variable 'ret' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized]
> if (!(xPathContext = xmlXPathNewContext(xml))) {
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> So init 'ret' with NULL.
> ---
> src/vbox/vbox_snapshot_conf.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
ACK; you can push this sort of fix under the trivial build-breaker rule.
>
> diff --git a/src/vbox/vbox_snapshot_conf.c b/src/vbox/vbox_snapshot_conf.c
> index 4909665..9c78410 100644
> --- a/src/vbox/vbox_snapshot_conf.c
> +++ b/src/vbox/vbox_snapshot_conf.c
> @@ -1336,7 +1336,7 @@ virVBoxSnapshotConfGetRODisksPathsFromLibvirtXML(const char *filePath,
> {
> int result = -1;
> size_t i = 0;
> - char **ret;
> + char **ret = NULL;
> xmlDocPtr xml = NULL;
> xmlXPathContextPtr xPathContext = NULL;
> xmlNodePtr *nodes = NULL;
>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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