The virCgroupXXX APIs' return value must be checked for
being less than 0, not equal to 0.
An VIR_ERR_OPERATION_INVALID error must also be raised
when the VM is not running to prevent a crash on NULL
priv->cgroup field.
Signed-off-by: Daniel P. Berrange <berrange@xxxxxxxxxx>
---
src/lxc/lxc_driver.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index 50910df..10e0fbb 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -5410,13 +5410,16 @@ lxcDomainMemoryStats(virDomainPtr dom,
if (virDomainMemoryStatsEnsureACL(dom->conn, vm->def) < 0)
goto cleanup;
- if (!virCgroupGetMemSwapUsage(priv->cgroup, &swap_usage))
+ if (!virDomainObjIsActive(vm)) {
+ virReportError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("domain is not active"));
goto cleanup;
+ }
- if (!virCgroupGetMemoryUsage(priv->cgroup, &mem_usage))
+ if (virCgroupGetMemSwapUsage(priv->cgroup, &swap_usage) < 0)
goto cleanup;
- if (!virDomainObjIsActive(vm))
+ if (virCgroupGetMemoryUsage(priv->cgroup, &mem_usage) < 0)
goto cleanup;
ret = 0;
--
1.8.5.3
--
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