[libvirt] [PATCH] libvirt: lxc: fix incorrect parameter of lxcContainerMountProcFuse
Daniel P. Berrange
berrange at redhat.com
Wed Jan 9 10:55:24 UTC 2013
On Wed, Jan 09, 2013 at 06:45:48PM +0800, Gao feng wrote:
> On 2013/01/09 18:33, Daniel P. Berrange wrote:
> > On Wed, Jan 09, 2013 at 04:05:58PM +0800, Gao feng wrote:
> >> when we have no host's src mapped to container's root.
> >> there is not .oldroot dir,we should pass "/" to
> >> lxcContainerMountProcFuse in function
> >> lxcContainerSetupExtraMounts.
> >>
> >> Signed-off-by: Gao feng <gaofeng at cn.fujitsu.com>
> >> ---
> >> src/lxc/lxc_container.c | 2 +-
> >> 1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c
> >> index d234426..09a4365 100644
> >> --- a/src/lxc/lxc_container.c
> >> +++ b/src/lxc/lxc_container.c
> >> @@ -2059,7 +2059,7 @@ static int lxcContainerSetupExtraMounts(virDomainDefPtr vmDef,
> >> goto cleanup;
> >>
> >> /* Mounts /proc/meminfo etc sysinfo */
> >> - if (lxcContainerMountProcFuse(vmDef, "/.oldroot") < 0)
> >> + if (lxcContainerMountProcFuse(vmDef, "/") < 0)
> >> goto cleanup;
> >>
> >> /* Now we can re-mount the cgroups controllers in the
> >
> > No, we should be passing NULL in that case, and make the method
> > handle NULL correctly.
> >
>
> You mean this?
>
> diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c
> index d234426..9f22923 100644
> --- a/src/lxc/lxc_container.c
> +++ b/src/lxc/lxc_container.c
> @@ -605,7 +605,7 @@ static int lxcContainerMountProcFuse(virDomainDefPtr def,
>
> if ((ret = virAsprintf(&meminfo_path,
> "%s/%s/%s/meminfo",
> - srcprefix, LXC_STATE_DIR,
> + srcprefix ? srcprefix : "", LXC_STATE_DIR,
> def->name)) < 0)
> return ret;
>
> @@ -2059,7 +2059,7 @@ static int lxcContainerSetupExtraMounts(virDomainDefPtr vm
> Def,
> goto cleanup;
>
> /* Mounts /proc/meminfo etc sysinfo */
> - if (lxcContainerMountProcFuse(vmDef, "/.oldroot") < 0)
> + if (lxcContainerMountProcFuse(vmDef, NULL) < 0)
> goto cleanup;
>
> /* Now we can re-mount the cgroups controllers in the
>
ACK
Daniel
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