[libvirt] [PATCH] virsh: fix uninitialized variable in cmdSnapshotEdit
Christophe Fergeau
cfergeau at redhat.com
Fri Nov 16 10:58:01 UTC 2012
On Thu, Nov 15, 2012 at 11:37:32AM +0100, Ján Tomko wrote:
> If the domain can't be looked up, name is used unitialized after the
> cleanup label.
>
> Found by coverity.
> ---
> tools/virsh-snapshot.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/virsh-snapshot.c b/tools/virsh-snapshot.c
> index 4281109..0bd9583 100644
> --- a/tools/virsh-snapshot.c
> +++ b/tools/virsh-snapshot.c
> @@ -459,7 +459,7 @@ cmdSnapshotEdit(vshControl *ctl, const vshCmd *cmd)
> virDomainPtr dom = NULL;
> virDomainSnapshotPtr snapshot = NULL;
> virDomainSnapshotPtr edited = NULL;
> - const char *name;
> + const char *name = NULL;
> const char *edited_name;
> bool ret = false;
> unsigned int getxml_flags = VIR_DOMAIN_XML_SECURE;
> @@ -532,7 +532,7 @@ cmdSnapshotEdit(vshControl *ctl, const vshCmd *cmd)
> ret = true;
>
> cleanup:
> - if (!ret)
> + if (!ret && name)
> vshError(ctl, _("Failed to update %s"), name);
Shouldn't we call vshError with a different message in the !ret && !name case?
Christophe
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