diff options
Diffstat (limited to 'wrapper.c')
| -rw-r--r-- | wrapper.c | 42 |
1 files changed, 42 insertions, 0 deletions
@@ -41,6 +41,9 @@ struct cgroup_controller *cgroup_add_controller(struct cgroup *cgroup, int i; struct cgroup_controller *controller; + if (!cgroup) + return NULL; + /* * Still not sure how to handle the failure here. */ @@ -101,6 +104,9 @@ int cgroup_add_value_string(struct cgroup_controller *controller, int i; struct control_value *cntl_value; + if (!controller) + return ECGINVAL; + if (controller->index >= CG_VALUE_MAX) return ECGMAXVALUESEXCEEDED; @@ -129,6 +135,9 @@ int cgroup_add_value_int64(struct cgroup_controller *controller, unsigned ret; struct control_value *cntl_value; + if (!controller) + return ECGINVAL; + if (controller->index >= CG_VALUE_MAX) return ECGMAXVALUESEXCEEDED; @@ -164,6 +173,9 @@ int cgroup_add_value_uint64(struct cgroup_controller *controller, unsigned ret; struct control_value *cntl_value; + if (!controller) + return ECGINVAL; + if (controller->index >= CG_VALUE_MAX) return ECGMAXVALUESEXCEEDED; @@ -198,6 +210,9 @@ int cgroup_add_value_bool(struct cgroup_controller *controller, unsigned ret; struct control_value *cntl_value; + if (!controller) + return ECGINVAL; + if (controller->index >= CG_VALUE_MAX) return ECGMAXVALUESEXCEEDED; @@ -323,6 +338,9 @@ struct cgroup_controller *cgroup_get_controller(struct cgroup *cgroup, int i; struct cgroup_controller *cgc; + if (!cgroup) + return NULL; + for (i = 0; i < cgroup->index; i++) { cgc = cgroup->controller[i]; @@ -338,6 +356,9 @@ int cgroup_get_value_string(struct cgroup_controller *controller, { int i; + if (!controller) + return ECGINVAL; + for (i = 0; i < controller->index; i++) { struct control_value *val = controller->values[i]; @@ -360,6 +381,9 @@ int cgroup_set_value_string(struct cgroup_controller *controller, { int i; + if (!controller) + return ECGINVAL; + for (i = 0; i < controller->index; i++) { struct control_value *val = controller->values[i]; if (!strcmp(val->name, name)) { @@ -376,6 +400,9 @@ int cgroup_get_value_int64(struct cgroup_controller *controller, { int i; + if (!controller) + return ECGINVAL; + for (i = 0; i < controller->index; i++) { struct control_value *val = controller->values[i]; @@ -397,6 +424,9 @@ int cgroup_set_value_int64(struct cgroup_controller *controller, int i; unsigned ret; + if (!controller) + return ECGINVAL; + for (i = 0; i < controller->index; i++) { struct control_value *val = controller->values[i]; @@ -419,6 +449,9 @@ int cgroup_get_value_uint64(struct cgroup_controller *controller, { int i; + if (!controller) + return ECGINVAL; + for (i = 0; i < controller->index; i++) { struct control_value *val = controller->values[i]; if (!strcmp(val->name, name)) { @@ -439,6 +472,9 @@ int cgroup_set_value_uint64(struct cgroup_controller *controller, int i; unsigned ret; + if (!controller) + return ECGINVAL; + for (i = 0; i < controller->index; i++) { struct control_value *val = controller->values[i]; @@ -461,6 +497,9 @@ int cgroup_get_value_bool(struct cgroup_controller *controller, { int i; + if (!controller) + return ECGINVAL; + for (i = 0; i < controller->index; i++) { struct control_value *val = controller->values[i]; @@ -487,6 +526,9 @@ int cgroup_set_value_bool(struct cgroup_controller *controller, int i; unsigned ret; + if (!controller) + return ECGINVAL; + for (i = 0; i < controller->index; i++) { struct control_value *val = controller->values[i]; |