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-rw-r--r--kernel/livepatch/core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
index d68fbf63b083..ddef649a2914 100644
--- a/kernel/livepatch/core.c
+++ b/kernel/livepatch/core.c
@@ -683,6 +683,9 @@ 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;