diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/livepatch/core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c index a19f1954f4ac..5c2bc1052691 100644 --- a/kernel/livepatch/core.c +++ b/kernel/livepatch/core.c @@ -747,6 +747,9 @@ static void klp_free_patch(struct klp_patch *patch) static int klp_init_func(struct klp_object *obj, struct klp_func *func) { + if (!func->old_name || !func->new_func) + return -EINVAL; + INIT_LIST_HEAD(&func->stack_node); func->state = KLP_DISABLED; |