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Unverified Commit 96ce641c by Christian Brauner
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cgroups: check for empty cgroups on freeze/unfreeze

Signed-off-by: 's avatarChristian Brauner <christian.brauner@ubuntu.com>
parent 67ed2bd3
Showing with 6 additions and 0 deletions
src/lxc/cgroups/cgfsng.c
...@@ -2003,6 +2003,9 @@ __cgfsng_ops static bool cgfsng_freeze(struct cgroup_ops *ops) ...@@ -2003,6 +2003,9 @@ __cgfsng_ops static bool cgfsng_freeze(struct cgroup_ops *ops)
__do_fclose FILE *f = NULL; __do_fclose FILE *f = NULL;
struct hierarchy *h; struct hierarchy *h;
if (!ops->hierarchies)
return true;
if (ops->cgroup_layout != CGROUP_LAYOUT_UNIFIED) { if (ops->cgroup_layout != CGROUP_LAYOUT_UNIFIED) {
h = get_hierarchy(ops, "freezer"); h = get_hierarchy(ops, "freezer");
if (!h) if (!h)
...@@ -2054,6 +2057,9 @@ __cgfsng_ops static bool cgfsng_unfreeze(struct cgroup_ops *ops) ...@@ -2054,6 +2057,9 @@ __cgfsng_ops static bool cgfsng_unfreeze(struct cgroup_ops *ops)
__do_free char *fullpath = NULL; __do_free char *fullpath = NULL;
struct hierarchy *h; struct hierarchy *h;
if (!ops->hierarchies)
return true;
if (ops->cgroup_layout != CGROUP_LAYOUT_UNIFIED) { if (ops->cgroup_layout != CGROUP_LAYOUT_UNIFIED) {
h = get_hierarchy(ops, "freezer"); h = get_hierarchy(ops, "freezer");
if (!h) if (!h)
......
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